Presentation on the topic "oceans and their inhabitants."
Technology and Internet - 08/09/2019
Anastasia Kazantseva
Presentation “Inhabitants of the seas and oceans” « Slide 1.»
Inhabitants of the seas and oceans
Slide 2. Sea inhabitants Slide 3. Dolphin. Dolphins live in all open seas and sometimes enter the mouths of large rivers. Representatives of the family of freshwater, or river, dolphins have a much more limited distribution. For the most part they inhabit inland fresh water bodies, although some of them can even penetrate coastal areas.
seas
Slide 4. Sea turtles are excellent swimmers and divers. These large reptiles, clumsy on land, glide gracefully through the water with the help of flipper-like forelimbs and streamlined carapace. When sea turtles are active, they often come to the surface to breathe. And during rest, some species can remain under water for several hours. Slide 5. Starfish Sea stars got their name due to their original form
(rays) Slide 5. Starfish Sea stars got their name due to their original Slide 6. Starfish got their name due to their original form: they have from 5 to 40 limbs
. These animals are predators. The stars feed on mollusks and various bottom invertebrates.
Slide 7. Whales are the largest among animals. In adulthood, they reach an average body length of 25 m (the largest is 33 m, and weight is 90-120 tons.
Slide 8. Sea urchin. These representatives of marine fauna live on the bottom. They move with the help of special legs. The legs are long elastic processes. They have suction cups at the ends, so the sea creature can crawl not only on horizontal, but also on vertical surfaces.
Slide 9. Seahorses live in tropical and subtropical seas. They lead a sedentary lifestyle, attaching their flexible tails to plant stems and changing body color, completely blending into the background. This is how they protect themselves from predators and camouflage themselves while hunting for food. Skates feed on small crustaceans and shrimp.
Slide 11. Sharks live in waters all over the world ocean, that is, in all seas and oceans. Some species of sharks are able to live in both salt and fresh water, swimming into rivers. The depth of habitat of sharks is on average 2000 meters, in rare cases they descend to 3000 meters.
Slide 12. Crabs inhabit all seas and oceans of the planet. Along with a special body shape, crabs are characterized by the presence of 10 pairs of limbs.
Sly 13. Stingrays live in all seas and oceans and live both in the cold waters of the Arctic and Antarctic, and in the tropics. Stingrays have organs that produce electricity.
Slide 14. Jellyfish. These amazing animals live only in salt water, and therefore can be found in all oceans and seas of our. Among the representatives of this class there are both heat-loving animals and those that prefer cold waters, species that live only near the surface of the water, and those that live only at the bottom ocean
Slide 15. Thank you for your attention!
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Good evening colleagues! Today I want to share with you a small master class, don’t judge strictly for the first time I’m exhibiting my work. Us.
NOD “We are the inhabitants of the Earth” Nod on the topic: "WE ARE THE EARTH'S RESIDENTS." Goals: to consolidate the concept of “Solar System”, to clarify children’s knowledge about the planets of the Solar System and their features.
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Slide 2
Planet Ocean
- Earthly life originated in water.
- Everything that now crawls, runs and grows on the ground, everything that flies above the ground and everything that grows underground - everything once came out of the water.
Slide 3
Slide 4
Basic Ocean Data
Slide 5
Planet Ocean
- The land divides the vast expanse of water into four parts - these are the oceans
- The World Ocean covers 2/3 of the globe and contains 97% of all water on Earth
- The largest of them is the Pacific Ocean, and there are also the Atlantic, Indian, and Arctic Oceans
Slide 6
Inhabitants of the deep sea
Slide 7
Inhabitants of the planet Ocean
Life in the ocean is incredibly diverse: it is home to 200,000 species of organisms, from microscopic single-celled algae and tiny animals to whales exceeding 30 m in length.
Slide 8
Sea fish
- Marine fish amaze with the diversity of their species: there are many exotic fish, but they do not form the basis of its biological balance
- The main role belongs to small mass forms - sardines, anchovies, horse mackerel, herring
- These slender, plankton-eating fish are a staple of marine fisheries and serve as food for many predatory fish, seabirds, dolphins, seals and squid.
Slide 9
Dwellers of the Deep
Slide 10
Pacific Ocean
Slide 11
Pacific Ocean
The first person to cross the largest ocean on the planet was Magellan. He called him “Quiet.” It later turned out that Magellan was mistaken. It is in this ocean that most typhoons are born, and it is this ocean that produces three-quarters of the planet's clouds.
Slide 12
Pacific Ocean
The Pacific Ocean occupies half of the Earth's total water surface and more than thirty percent of the planet's surface area.
Slide 13
Quiet hour on the Pacific Ocean
Slide 14
Dolphins
Dolphins are very easy to tame due to the fact that they are very intelligent and have exceptional learning abilities. Dolphins are very easy to tame due to the fact that they are very intelligent and have exceptional learning abilities. They are incredibly friendly
Slide 15
A photographer's view of the ocean
Slide 16
Atlantic Ocean
Slide 17
The name comes from Atlas (Atlas) in Greek mythology, or from Atlantis.
Slide 18
The Atlantic Ocean is second in size only to the Pacific; its area is approximately 91.56 million km2. It is distinguished from other oceans by its highly rugged coastline, forming numerous seas and bays, especially in the northern part.
Slide 19
Giant ray fish
The massive 450-kilogram black ray fish, known as "Zeus", has a diameter of 4 meters, including a 1-meter mouth.
Slide 20
Inhabitants of the Atlantic Ocean
- There are about 53 species of commercial fish in the Atlantic Ocean
- Among them is the famous Atlantic herring
Slide 21
Depths of the ocean
Slide 22
Sea stars
Slide 23
Sea Horse
Slide 24
Secrets of the Ocean
Slide 25
Indian Ocean
The third largest ocean on Earth, covering about 20% of its water surface.
Slide 26
Masters of the Ocean
- The Indian Ocean is home to many dangerous animals
- There are a large number of poisonous sea snakes in the ocean, there are even saltwater crocodiles
- Among the birds, frigates and albatrosses can be called hosts. Penguins live in the cold southern waters
Slide 27
Shark
- Almost all sharks live in the upper layers of the ocean, feeding on fish or squid
- Giants of the fish kingdom - whale and giant shark
- Some blue sharks reach a length of four meters
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MBDOU kindergarten No. 44, Ussuriysk Presentation “Inhabitants of the seas and oceans” Completed by: teacher Svetlana Yuryevna Arkhipova 2014 Diverse underwater world
- In space, our planet Earth appears blue. This is because the smaller part of it is land, and the larger part is oceans, seas, rivers, lakes, swamps.
- The underwater world of the seas and oceans is interesting and mysterious. It is home to a wide variety of animals, plants, and fish. Life in the ocean is much more diverse than on land, and many plants and animals are found only in the seas. Both protozoa and mammals live in ocean waters. Even now, scientists are finding new, undiscovered animals. On the seabed you can see animals that look surprisingly similar to plants. Sea anemones resemble bright, whimsical flowers, corals resemble a fairy-tale forest. Radiant stars deftly, like gymnasts, turn over, moving forward, looking for prey. The prickly hedgehogs “walk” as if on stilts.
- Ilya Gurevich
- Although the sea anemone is beautiful, it burns like nettles. The fish were all scared. They stayed in their houses. Only the CLOWN took root in her. He became close friends with her.
- Sea anemones or fleshy polyps. They look like colorful bouquets of flowers. These are large animals up to 1 m high with soft tubular bodies.
- The cylindrical body of sea anemones is narrowed at the top and has a mouth surrounded by rows of tentacles. From below, the body ends with a “sole”, with which the animal sticks to underwater objects.
- The sea anemone's tentacles resemble flowers: chrysanthemums, dahlias and asters; They are painted in different colors: there are purple, brown, snow-white, green, pale blue. Bright “petals” are movable tentacles; thin threads charged with poison are hidden in them. If a curious fish approaches the insidious “flower”, it gets severely burned. The tentacles of the sea anemone quickly grab the prey and send it into its mouth..
- Sea anemones live alone. Some of them are motionlessly attached to stones and mollusk shells; others are buried in the ground. They can also cover short distances.
- S. A. Antonyuk
- At the bottom of the sea star lies, not moving - probably sleeping. That star has five arms - the star can eat with its hands. And for her, a crustacean, a shrimp - It’s like candy for the guys!
- Starfish live in all the oceans of the world. They prefer to live in coastal areas, coral reefs, and warm shallow waters. The sea star looks like a star in the sky, but belongs to the sea. Stars can be of different colors and different sizes. Their body consists of rays surrounding the mouth opening. There can be 5 or even 50 rays. If you turn the star on its back, bending the rays and resting on the bottom, it returns to its normal position. From below the rays you can see many tube legs. These legs have suction cups at the end that stick to surfaces to climb or crawl along them. They help the star hunt shellfish. The star releases its stomach and envelops the victim with it.
- Inna Sudareva
- A thorn lives at the bottom - a gloomy, mean Hedgehog. It clings to pebbles and feeds on sea grass.
- Sea urchins live in all seas and oceans, living on the bottom. The main condition for their favorable existence is salt water. The sea urchin is curled into a tight ball and never unfolds. He has no muzzle, but only a mouth, with strong teeth, right on his abdomen. These animals can eat not only algae, mollusks, sponges, but also their own kind - small sea urchins and starfish. And sea urchins themselves are prey for fur seals, lobsters, birds, and starfish (adults). All the hedgehog's needles are movable; with their help, hedgehogs move, protect themselves from predators, and get food. Some hedgehogs have short needles, others have long, sometimes poisonous ones. The most common colors of sea urchins are red and pink, less common are brown, green, black, white, and red.
- There is an oval shell. Looks like a hat!
- Knowing no other home other than the sea,
- will give life to its offspring by crawling out onto the sand.
- (Sea turtle)
- Sea turtles are inhabitants of salt waters. Adapted to life in the warm ocean. Unlike terrestrial turtles they are large in size.
- They have a flat oval shell, two hind legs and developed front flippers, which makes them good swimmers.
- And they come to land only to lay eggs.
- The mother turtle looks for a suitable place on the beach and begins to rake the sand with her hind legs until a round hole is formed. She lays eggs in it, after which she fills it with sand and compacts it, making the clutch invisible. Then he returns to the ocean. Sea turtles are able to return unerringly to their birthplace after many years. Turtles have no teeth. But the jaws are covered with pointed horny plates. They feed on zooplankton, small fish, and plant foods.
- A. Rechushkin
- Corals live in the depths of the sea On a cozy and blue quaint bottom In branched corals, fish scurry about Corals gave them food and comfort.
- Underwater thickets at the bottom of seas and oceans are formed by many coral polyps. Large concentrations of corals form coral reefs and coral islands. Coral polyps have a calcareous skeleton. Inside every lime branch is life. The branches are connected by thin tubes and can exchange food with each other. If one coral lacks prey, another will share with it. A coral “bush” is one living family. Most coral polyps inhabit warm tropical seas. Feeds on plankton. Usually during the day the polyps shrink, and at night they stretch out and straighten their tentacles, with the help of which they catch various small animals. Large single polyps are capable of catching large animals: fish, shrimp.
- Inna Sudareva
- The young lady-Medusa in lush lace dances merrily on the sea waves. Long earrings suit her very well. The Pisces are all swimming to admire them.
- Jellyfish are almost composed of water and have gelatinous symmetrical body. Their color can be white, pink, yellow, orange, red, blue, green and multicolor. The largest jellyfish grows more than 1 m. At the bottom of the bell-shaped body is the mouth of the jellyfish, surrounded by tentacles. They feed on small marine organisms, ctenophores, crayfish and sometimes other jellyfish. They are prey for sunfish, sea turtles and large marine animals. Box jellyfish- Jellyfish with a body structure similar to a cubic umbrella are poisonous in nature and they produce painful stings, you need to beware of them. The movement of jellyfish depends on the ocean current, tides and air currents. Jellyfish move horizontally and vertically by muscle contractions. Some of them are sensitive to light and swim below during the daytime. Jellyfish constantly need water to survive. Lack of water leads to the death of these marine animals.
- N. Tomilina
- A beautiful house near a clam, but very small and narrow. But he grows with him, almost without requiring any hassle.
- Sea mollusks (soft-bodied) hide their bodies in hard shells. Mollusks live in the oceans and seas, these are: mussels, oysters, snails, cuttlefish, squid, octopuses. The body sizes of adult mollusks range from a few mm to 20 m. Most of them are sedentary animals, some of them lead a life attached to the bottom (mussels, oysters), and only cephalopods (squid, octopuses) are able to move quickly in a reactive manner. Bivalves: mussels, scallops, oysters at first glance seem helpless and motionless. If you take them out of the sea and leave them alone for a while, you can see how the valves will open slightly, the triangular leg of the mollusk will appear from there and it will begin to quickly and deftly bury itself in the sand, helping itself with the shell valves: it will either move them apart, or close them, scraping away the sand. Or maybe crawl along the sand if you don’t like the new place. These mollusks live up to 15 years, filtering the water, feeding on plankton. Since ancient times, people have highly valued pearls and mother-of-pearl, which are obtained from pearl oysters, sea animals. A pearl is formed when a foreign body, a grain of sand, gets into the shell of a bivalve mollusk. The mollusk begins to cover it with layers of nacre. The ball is gradually growing. The role of bivalve mollusks is especially important in cleaning water bodies from organic pollution. Seashells are the hard outer shells without the soft shellfish body. They can be found on the seashore. They are very beautiful. If you put a shell to your ear, you can hear the sound of the sea.
- “Octopus” by N. Tomilin
- He looks cute
- At least it can be poisonous!
- The mollusk has eight legs.
- That's bottom... (Octopus)
- An octopus is bored at the bottom. He folded his eight legs sadly. More precisely, eight long arms - No one is swimming around.
- Octopuses are animals with 8 legs and are representatives of mollusks. The body of an octopus is naked, and the tentacles, i.e. “legs” and at the same time “arms,” grow directly from the head. There are many suckers on the tentacles. The octopus can change color to adapt to its environment. Its usual color is brown. If the octopus is scared, it turns white; if it is angry, it turns red. It feeds on mollusks, fish, and crustaceans. The octopus captures prey with all eight tentacles, bites the victim with its beak, holding it with its suction cups. The octopus releases a large cloud of ink, a black liquid, that helps it escape from pursuit. This is how he manages to hide from his enemies. Among the octopuses there are giants reaching 10-12 m. They are called octopuses.
- That cephalopod is a mollusk -
- A dozen hands, suckers plus.
- Quite a large specimen.
- What's his name? (Squid)
- The squid has 10 legs, even more than the octopus. Eight of them are short, and two are long, catching, can stretch greatly when catching prey and contract when swimming. Usually the animal's arms are armed with suction cups and hooks. The squid's body is elongated, pointed at the back. With its legs extended, it looks like a rocket. And it moves like a rocket using a jet of water. The speed of movement of a squid is greater than that of an octopus; when chasing a fish, it can jump out of the water to a height of seven meters. The squid has the largest eyes. He has excellent eyesight
- better than that of a human. Squid - one one of the most unusual sea creatures. He has not one, but three hearts. Despite its large size (there are real monsters up to 20 m long), the squid has no bones at all. Dragged onto land, these animals turn to jelly.
- Squid have blue blood. Squids feed on mollusks and small crustaceans. Sometimes they eat their fellow creatures. The squids themselves serve as food for larger fish, birds and sea animals. Giant sperm whales feed on large squid. To scare away enemies, the squid releases a cloud of dark ink.
- Fleeing from strong enemies, backing my head back, I disguise myself in an inky, torn robe. (Cuttlefish, “inkwell” mollusk)
- She swims underwater, Always backwards, Constantly runs away, Scares everyone with ink. (Cuttlefish)
- Cuttlefish are soft-bodied cephalopods. The cuttlefish is not as mobile as the squid. One part of the leg is turned into tentacles located on the head. They surround the mouth with oral jaws curved like a beak. The other part of the leg forms a funnel. In case of danger, “ink” is thrown out of it. They are poisonous to predatory fish. Cuttlefish can not only change their color, but also glow. Mollusks do not glow on their own, but thanks to special glowing bacteria on their body. With the help of such a glow, cuttlefish attract prey, give signals to their fellows, and sometimes simply defend themselves from enemies. An unexpectedly bright flash of light has a stunning effect on enemies. During this time, the mollusk quickly swims away to a safe place. The cuttlefish changes color depending on the background and becomes invisible. Eight short tentacles are open, two long ones are hidden in special pockets. When a fish swims next to it, the cuttlefish instantly throws out its “arms” and grabs the prey. Cuttlefish live mainly in warm seas.
- N. Tomilina.
- Putting on a beautiful light shell and bravely putting out his claws, the Crab performs a formidable dance. He's trying so hard - look!
- Crab is a Crustacean. Life on the seabed is very dangerous. Crabs are protected by a strong, hard shell. Growing up, the crab exchanges its old shell for a new one. The crabs have a small head, a short abdomen, and are hidden under the upper shield. The front pair of limbs are armed with powerful claws. With their help, the crab attacks and defends itself. They live in the seas. Sometimes they reach large sizes. A giant crab caught off the coast of Japan had a distance between the ends of its claws of more than 3 m. Among the Kamchatka crabs there are giants. The width of their shell reaches even 26 cm. Decapods are very active animals. The crab lives 50 years. Some crabs destroy commercial shellfish - oysters and mussels, and also spoil fishing nets.
- Usually runs sideways
- And as quickly as forward.
- Cuts prey with a claw,
- If she doesn't get away. (Cancer) Cancer is h sloth-footed sea animal. Crustaceans include: large marine lobster crayfish, mantis crabs, hermit crabs. They live in fresh and salt waters. Cancer has a well-developed sense of touch, smell, hearing and vision. Compound eyes that see the whole image. As the body grows, its hard shell becomes tight. The cancer has to shed its shell and molt. In this state, the cancer becomes helpless and hides even from relatives who can eat it. Some crayfish live up to 50 years. A representative of crustaceans is the hermit crab. He was unlucky because... there is no shell on its abdomen. To protect himself from enemies, he hides his soft body in an empty shell. The hermit uses the empty shells of dead gastropods as shelter. He feels the empty shell for a long time, then, approaching the entrance, he pulls himself up, as if by “hands,” and carries his abdomen into the house. In a calm state, not burdened with searching for food, the hermit crab buries itself halfway in the sand, and in case of danger, it dives sharply into the depths of the shell and closes the mouth with its claws. Crayfish are close relatives of crabs. They differ from crabs by the presence of a “tail” - abdomen. A hermit crab lives in partnership with a sea anemone, which has settled in its shell house. It provides the sea anemone with food and transportation. Sea anemone repels attacks from predators with its burning tentacles.
- Crayfish feed on mollusks, annelids, echinoderms, and the remains of dead fish.
- Fish
- A wide variety of fish live in the depths of the sea and ocean. There are those who don’t need to hide, they can stand up for themselves. A swordfish, armed with a sword, quickly attacks a concentration of fish, inflicting fatal blows on its victims. Touch-me-not hedgehog fish, if an enemy is nearby, they immediately puff up and expose their needles. They are not only prickly, but also poisonous. Parrotfish are beautifully colored, but have powerful jaws that pose a danger to inexperienced divers. The angler fish has prepared a cunning tackle. Hanging above his head is a luminous thread with a “bait” that looks like a crustacean. The anglerfish buries itself in the sea mud, leaving its fishing rod behind. A passing fish grabs the bait and ends up in the toothy mouth of the anglerfish. The sea cat has a long tail with a sharp spike and notch, and also with poison. The sea cat needs it for protection. Flying fish do not stand out in the water. Its long fins are folded like a fan, pressed to the sides. Jumping out of the sea, with spread winged fins, the slave flies at high speed over the waves, escaping from predators. The needlefish lives among the algae. It looks like a stalk and floats upward with a long stigma. It opens its mouth slightly, puffs out its cheeks and sucks up crustaceans like a vacuum cleaner. Largemouth fish bear little resemblance to fish. She has a large and toothless mouth that stretches like a bag. And on the long tail of the largemouth there is a small “flashlight”. IT glows and lures crustaceans. They are all swallowed in the open huge mouth of the large mouth.
- Like a torpedo with fins.
- With very scary fangs!
- With a keen sense of smell he senses the victim,
- Day and night everything moves. (Shark)
- The shark is called the thunder of the seas. These are large and toothy fish. Sharks have six rows of teeth and are sharp as a saw! If a tooth breaks or disappears, another one takes its place. The skin of many sharks is covered with scales with sharp spines. Therefore, touching a shark causes severe wounds. Sharks scare away and destroy fish, tear nets, and sometimes attack dolphins and whales. White sharks, tiger sharks, and hammerhead sharks are very dangerous. The hammerhead shark has a hammer-like head. This shark is small but very dangerous. Many people have been hurt and killed by sharks, especially in shipwrecks. The most common sharks that attack humans are the great white shark, the tiger shark, and the bull shark. Swimmers and boats are most often attacked by white sharks.
- Sometimes sharks accompany ships and grab everything that flies overboard. Not all sharks are predators. The whale shark is the largest - up to 20 m. This giant shark is even larger than a bus. The whale shark feeds on zooplankton: small crustaceans, mollusks, and larvae living in the water. It is not dangerous for people.
- A mountain with a fountain plows through,
- The tail beats, the water boils -
- Swims important (Whale).
- A giant is swimming on the sea.
- He rinses his toothless mouth. It strains, releases a fountain, and then floats across the sea. N. Tomilina.
- If a fountain is visible in the sea, it means a whale. Whales are marine animals and are not fish. They breathe with their lungs, not with gills. Baby whales feed on milk. They live in all oceans and seas and never go onto land. Some whales have teeth, while others do not. But toothless whales have mustaches. Such a whale swallows water into its mouth along with small sea animals: mollusks, jellyfish, crustaceans. Then he will express the water through a mustache sieve, and then lick what’s left with his tongue and swallow it. Blue whale - The baleen whale is the largest animal on our planet that has ever lived (larger than the famous dinosaurs) and has a heart the size of a car. The largest whales are baleen whales. They have many folds on the skin below. Whales catch small crustaceans, capturing them along with the water, and then filtering them through their hard whiskers. The sperm whale is a toothed whale. Hunts large mollusks: cuttlefish, giant squid, fish. The humpback whale is neither small nor large. It loves to jump above the water, spreading its pectoral fins like wings. The humpback whale can "sing" - creaking, squeaking, howling. They call him the cheerful whale.
- "Dolphins" Natalya Matyukh
- Everyone knows about dolphins - There are no more interesting animals: Sharp intelligence, dexterous movements and easy to train.
- Dolphins are the most intelligent marine mammals and belong to the cetaceans. In nature, there are almost forty species of dolphins (bottlenose dolphins, killer whales, gray dolphins, cetaceans, humpback dolphins, etc.). Dolphins breathe with their lungs, not their gills. People can always see the faces of dolphins on the surface of the sea because dolphins can stay underwater for about 3-5 minutes. Smart, inquisitive, playful and good-natured inhabitants of the sea live next to people. Dolphins' vision is universal; they see perfectly both underwater and on the surface. Some species of dolphins do not dive to great depths at all, others dive as deep as whales. They live in almost all the seas and oceans of our planet: from the northernmost cold waters to the Red Sea. Some dolphins live in rivers, such as the Amazon pink dolphins. And the most common - bottlenose dolphin or small bottlenose dolphin - live in the warm waters of the tropics. All dolphins feed on various types of fish and squid. Their teeth and jaws are not designed for chewing movements, and dolphins swallow fish whole. The dolphin's brain is almost the same size as the human brain. But Dolphins live in an aquatic environment, which has developed other mental abilities. They have more developed hearing, vision and other senses necessary for life under water. Dolphins have excellent eyesight and absolutely unique hearing. Dolphins can make different sounds sounds: whistling, pulsating sound and clicking. Whistling is used for communication. Various pulsating sounds express the emotions of dolphins: anger, fear, excitement. Clicks are used to determine direction. This allows you to perfectly navigate in the water, find each other and food. Dolphins are placed in dolphinariums or aquariums and are trained and perform to entertain spectators. Dolphins have an amazing ability to heal people. Communication with these animals has a positive effect on the human body, especially on children. Swimming with dolphins relieves chronic pain, improves immunity and even helps children develop speech. If dolphins “dance” for 30-40 minutes around a patient every day, it will give an impetus to recovery. Dolphins easily and friendly communicate with other animals, and they reciprocate. Dolphins live in schools. They always help each other and never leave each other in trouble. They even save people from shipwrecks.
- Walruses and seals are pinnipeds. They adapted well to swimming in the sea and instead of legs they had flippers. They spend more time at sea. Cubs are born on land or on ice floes. Many seals eat fish, but among them there are those that feed on octopuses, squids, and crustaceans. Walruses catch shellfish by diving to the seabed for them. On land, walruses and eared seals move in short leaps, as their flippers can bend. Real seals are clumsy and helpless. Far away in the cold northern seas live walruses - amazing giants. Huge and gentle, good-natured and clumsy. They have a thick and bristly “beard” and huge tusks, and their bodies are pink in the sun. Walruses swim among the ice floes and do not freeze. They will be saved by a thick layer of fat under the skin. Walruses use their tusks to dig up food (shellfish) from the seabed, protect themselves from enemies, and also support themselves when climbing onto ice and land. Clumsy on land, walruses are agile underwater. Seals are predatory pinnipeds adapted to life in the sea. They are especially numerous in the cold zone; a large number of their species are found beyond the Arctic Circle. They are found in lakes Baikal and Ladoga. Steller sea lion is the largest of the eared seals. Body weight more than 1000 kg. Although outwardly clumsy, they can climb low cliffs and then bravely throw themselves down into the sea. The hooded seal can perform “tricks”. When he gets angry, a ball instantly inflates on his head, as if he were about to play football among the ice floes. If the mood is peaceful, then the ball disappears. The crested cat has a nasal sac that fills with air and deflates. The seal can also blow a pink bubble out of its nostril to defend its interests. To protect against the cold, seals have a thick layer of fat under their skin. The enemies of seals on earth are polar bears and people.
- The enemies of seals on earth are polar bears and people.
- The world of sea and ocean inhabitants is rich and diverse. How many amazing and informative things you can learn about the animals and plants of the deep sea! We humans must love animals and treat all living things with care. Follow the rules of behavior when being or relaxing in nature.
- You should not break a mollusk shell for fun. Or after playing with sea crab, starfish, and algae, take them home. It is necessary to return living inhabitants carefully to the seabed.
- Do not throw garbage into the sea. Even a tiny bag thrown away can cause harm. For example, a turtle will decide that it is a jellyfish, swallow it, and this bag will remain in its stomach forever. 3-4 such bags, and there will be no room left in the turtle’s stomach to just eat normally. She will die of hunger.
- Every year, three times the weight of trash dumped into the ocean than fish is caught.
- If plastic items are left on the shore of a sea beach: disposable tableware, drink bottles, candy wrappers, chocolates, food bags, shoes, broken toys, then during a storm, an overwhelming wave will carry it all into the ocean. Plastic kills countless seabirds, marine mammals and countless fish every year. Plastic debris remains for years, threatening the lives of thousands of marine life.
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The World Ocean The ocean is not just a body of water, it is full of life, sometimes much more diverse than that on land. There are five oceans on earth: the Atlantic, Pacific, Arctic, Southern Arctic and Indian. Scientists estimate the number of ocean inhabitants to be more than two hundred thousand diverse organisms. The permanent inhabitants of ocean waters, in addition to a variety of fish, are crustaceans, cetaceans, turtles, cephalopods (squid, octopuses, etc.), benthos and plankton. The ocean is not just a body of water, it is full of life, sometimes much more diverse than that on land. There are five oceans on earth: the Atlantic, Pacific, Arctic, Southern Arctic and Indian. Scientists estimate the number of ocean inhabitants to be more than two hundred thousand diverse organisms. The permanent inhabitants of ocean waters, in addition to a variety of fish, are crustaceans, cetaceans, turtles, cephalopods (squid, octopuses, etc.), benthos and plankton.
Seaweeds Seaweeds are ancient, layered spore-bearing plants that contain chlorophyll in their cells and live primarily in water. This definition, however, does not give an idea of the enormous diversity in body structure that is characteristic of seaweeds. Here we encounter both unicellular and multicellular organisms, as well as large forms of various structures. Reproduction methods achieve great diversity here. Even in color, seaweeds are not the same, since some contain only chlorophyll, others also have a number of additional pigments that color them in different colors. Seaweeds are ancient, layered spore-bearing plants that contain chlorophyll in their cells and live primarily in water. This definition, however, does not give an idea of the enormous diversity in body structure that is characteristic of seaweeds. Here we encounter both unicellular and multicellular, and large forms of various structures. Reproduction methods achieve great diversity here. Even in color, seaweeds are not the same, since some contain only chlorophyll, others also have a number of additional pigments that color them in different colors.
Corals Coral is the skeletal material of a colony of coral polyps (“bioherms”). Large concentrations of corals form coral reefs and coral islands. The color of corals depends on the composition and amount of organic compounds: not only pink, but also red, blue, white and even black corals are found. Red corals are called “blood foam”, “blood flower”, black ones are called “royal corals”. Pink, red and black corals are considered the most valuable. Coral is the skeletal material of a colony of coral polyps ("bioherms"). Large concentrations of corals form coral reefs and coral islands. The color of corals depends on the composition and amount of organic compounds: not only pink, but also red, blue, white and even black corals are found. Red corals are called “blood foam”, “blood flower”, black ones are called “royal corals”. Pink, red and black corals are considered the most valuable.
Whales Whales are marine mammals from the order Cetacea, not related to either dolphins or porpoises. Killer whales ("killer whales") and pilot whales have the word "whale" in their informal names, although they are strictly classified as dolphins. Whales adopted an aquatic lifestyle approximately 50 million years ago. Cetaceans are divided into two suborders: Whales are marine mammals from the order Cetaceans, not related to either dolphins or porpoises. Killer whales ("killer whales") and pilot whales have the word "whale" in their informal names, although they are strictly classified as dolphins. Whales adopted an aquatic lifestyle approximately 50 million years ago. Cetaceans are divided into two suborders: Baleen whales, distinguished by their baleen, a filter-like structure located on the upper jaw, consisting mainly of keratin. The mustache is used to filter plankton from water. Baleen whales are the largest suborder of whales. Baleen whales are distinguished by their baleen, a filter-like structure located on the upper jaw composed primarily of keratin. The mustache is used to filter plankton from water. Baleen whales are the largest suborder of whales. Toothed whales have teeth and hunt fish and squid. A remarkable ability of this group is the ability to sense their environment through echolocation. Toothed whales have teeth and hunt fish and squid. A remarkable ability of this group is the ability to sense their environment through echolocation.
Dolphins Dolphins are characterized by Dolphins are characterized by the presence of a relatively presence of a relatively small snout; body small muzzle; body elongated; there is a dorsal fin. elongated; there is a dorsal fin. Very agile and agile, Very agile and agile, voracious predators, living mostly socially; found in all seas. voracious predators who live mostly socially; found in all seas. They feed mainly on They feed mainly on fish, shellfish, fish, molluscs, crustaceans; sometimes crustaceans; sometimes they attack their relatives. They are also distinguished by their curiosity and traditionally good attitude towards people.
Crabs The head of crabs is small, the short abdomen is symmetrical and tucked under the jaw-thorax. They live in seas, fresh water bodies and on land. Sometimes the photos reach enormous sizes. A giant crab caught off the coast of Japan had a distance between the ends of its claws of 3.69 m. There are over 6,780 species in the world. The head of the crab is small, the short abdomen is symmetrical and tucked under the jaw-thorax. They live in seas, fresh water bodies and on land. Sometimes the photos reach enormous sizes. A giant crab caught off the coast of Japan had a distance between the ends of its claws of 3.69 m. There are over 6,780 species in the world.
Sharks Sharks are a superorder of cartilaginous fish, including eight orders, twenty families and Sharks are a superorder of cartilaginous fish, including eight orders, twenty families and about 350 species. Representatives of the superorder are widespread in all seas and contain about 350 species. Representatives of the superorder are widespread in all seas and oceans; freshwater sharks are also found. In most oceans, freshwater sharks are also found. Most species belong to the so-called true predators, species belong to the so-called true predators, some species, in particular the whale, giant and some species, in particular the whale, basking and largemouth sharks, feed on plankton. Largemouth sharks feed on plankton.
Planet Ocean Planet Ocean Earthly life originated in water. Earthly life originated in water. Everything that now crawls, runs and grows Everything that now crawls, runs and grows on the ground, everything that flies above the ground and everything that grows underground - everything was once on the ground, everything that flies above the ground and everything what grows underground - everything once came out of the water came out of the water
Area (million sq. m) Depth max. M Quiet - 178, 611.0333 Atlantic - 91.18648 Indian - 76.28648 Northern - 14, Arctic
Planet Ocean Land divides a huge expanse of water into four parts - these are the oceans. The World Ocean covers 2/3 of the globe, contains 97% of all water on earth. The largest of them is the Pacific Ocean, and there is also the Atlantic, Indian, and Arctic Oceans
Inhabitants of the Planet Ocean Life in the ocean is incredibly diverse: it is home to species of organisms from microscopic single-celled algae and tiny animals to whales exceeding 30 meters in length
Marine fish amaze with the diversity of their species: there are many exotic fish, but they do not form the basis of its biological balance. Marine fish amaze with the diversity of their species: there are many exotic fish, but they do not form the basis of its biological balance. The main role belongs to small mass forms of sardines, anchovies, horse mackerel, herring The main role belongs to small mass forms of sardines, anchovies, mackerel, herring. These slender fish that feed on plankton are the main products of marine fisheries, they also serve as food for many predatory fish, seabirds, dolphins, seals and squid. These slender fish that feed plankton are the main products of marine fisheries; they also serve as food for many predatory fish, seabirds, dolphins, seals and squids
Dolphins Dolphins are very easy to tame because they are very smart and have exceptional learning abilities. Dolphins are very easy to tame because they are very smart and have exceptional learning abilities. They are incredibly friendly
Atlantic Ocean The Atlantic Ocean is second in size only to the Pacific Ocean; its area is approximately 91.56 million km2. It is distinguished from other oceans by its highly rugged coastline, forming numerous seas and bays, especially in the northern part.
Giant Rayfish The massive one-kilogram black rayfish known as "Zeus" has a diameter of 4 meters, including a 1-meter mouth. The massive one-kilogram black rayfish, known as "Zeus", has a diameter of 4 meters, including a 1-meter mouth.
Hosts of the Ocean The Indian Ocean shelters many animals that are dangerous to humans. The ocean has a large number of poisonous sea snakes, there are even saltwater crocodiles. Among the birds, frigates and albatrosses can be called hosts. Penguins live in the cold southern waters
Arctic Ocean About 40 million years ago there was a giant lake. The Arctic Ocean is the smallest ocean on Earth by area, located between Eurasia and North America. Eurasia North America Area 14.75 million square meters. km, average depth 1225 m, greatest depth 5527 m in the Greenland Sea. Water volume 18.07 million km³. Greenland Sea
Narwhal Narwhal lives in the latitudes of the Arctic Ocean. Body length is m. The weight of males reaches 1.5 tons. The only tooth in males has grown in length and turned into a tusk
The polar bear is one of the largest land mammals and the largest predatory animal on the planet. The weight reaches kg, and sometimes even a ton. Under natural conditions, it lives for about 19 years. The polar bear is one of the largest land mammals and the largest predatory animal on the planet. The weight reaches kg, and sometimes even a ton. Under natural conditions, it lives for about 19 years. Polar bear Polar bear