what do bears do to survive the winter brainly
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How do Polar bears survive in the winter? Once polar bears are killed, some humans take their felt for blankets, clothes and shoes. But even though humans kill polar bears, they can kill humans too with their razor sharp teeth; but it rarely happens. Polar bears survive in the winter by using their 2 thick layers of fur, one layer as winter jacket and another as a sweater. Polar bears get food (seals) when they come up to breath. Therefore, polar bears are warm and toasty during the wintertime. By: Natalie, Mika'il and Kathleen Digging for gold!
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How Do Animals Spend the Winter? Other Ways to Survive. Cold-blooded animals like fish, frogs, snakes and turtles have no way to keep warm during the winter. Snakes and many other reptiles find shelter in holes or burrows, and spend the winter inactive, or dormant. This is similar to hibernation.Water makes a good shelter for many animals.nimals do many different, amazing things to get through the winter. Some of them migrate.. This means they travel to other places where the weather is warmer or they can find food. Many birds migrate in the fall. Because the trip can be dangerous, some travel in large flocks.
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Brown Bears 1 Facts about Brown Bears: 2  As winter approaches, brown bears—often called grizzly bears—prepare for a long hibernation. 3  During the fall, a brown bear eats practically around the clock, stocking up for the four to seven months when it'll have to live off stored body fat.
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- Many animals that remain in the taiga throughout the year have developed physical adaptations that help them survive. Survival in the taiga winter means keeping warm, which most permanent resident animals do with long, thick fur.
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- Polar bears are classified as marine mammals because they spend most of their lives on the sea ice of the Arctic Ocean. They have a thick layer of body fat and a water-repellant coat that insulates them from the cold air and water.olar bears are classified as marine mammals because they spend most of their lives on the sea ice of the Arctic Ocean. They have a thick layer of body fat and a water-repellant coat that insulates them from the cold air and water.
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Basic Facts About Polar Bears Polar bears are marine mammals, and spend much of their time on Arctic sea ice. Many adaptations make polar bears uniquely suited to life in icy habitats. Their fur is thicker than any other bears’ and covers even their feet for warmth and traction on ice.
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Polar Bear Adapted for the cold, polar bears have a thick fur coat. The coat of a polar bear can appear in a number of color variations from pure white to creamy yellow to light brown, depending on season and angle of light. A polar bear's black skin absorbs heat from the sun, helping it stay warm.
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Adaptations Of A Polar Bear | Top 7 Adaptations Hence such diet is indispensable for the existence of polar bear and without which they would not last for too long in these frozen temperatures. Hence, one of the useful adaptations of a polar bear. A mother polar bear oozes high-fat milk from her mammary glands that contains 31% fat in it. So when cubs slurp this milk, it gives them extra strength by maintaining the temperature inside their body and also helps in their growth.
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- Seasonal Distribution. 1  Spring: Polar bears typically stay close to the pack ice, which provides them a platform for hunting seals. 2  Summer: Most polar bears remain with the pack ice as it recedes north during the summer melting season.
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Polar Bear Arctic Adaptations. Polar bears live in one of the planet's coldest environments and depend on a thick coat of insulated fur, which covers a warming layer of fat. Fur even grows on the bottom of their paws, which protects against cold surfaces and provides a good grip on ice. The bear's stark white coat provides camouflage in surrounding snow and ice. But under their fur, polar bears have black skin—the better to soak in the sun's warming rays. Hunting.
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- To get ready for hibernation the black bear can eat as much as 30 pounds of food per week. Most black bears hibernate between four and seven months. This lets them save energy during the cold winter months. During hibernation the black bear loses a lot of weight. Males can lose 15% to 30% of their weight.
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- Seasonal Distribution. 1  Spring: Polar bears typically stay close to the pack ice, which provides them a platform for hunting seals. Pregnant females emerge from dens on land or barrier islands in spring. 2  Summer: Most polar bears remain with the pack ice as it recedes north during the summer melting season.
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- Hibernation is when an animal goes to rest for the winter season to stay warm. Not all animals hibernate. Hibernating results in a deep sleep over a period of time that limit … s bodily functions. Many forest animals such as bears, deer, owls, and other warm blooded animals stock up on fat by eating tremendous amounts of food. Once they have enough body fat to keep warm and survive during the winter season, they hibernate. Only one animal is known to actually go into a deep sleep and not hibernate, the grizzly bear - its bodily functions do not slow as happens in hibernation, but it has special bidy functions instead. Hibernate means that a animal stocks up on food and then sleeps throughout winter. Hibernation occurs in mammals like bears and squirrels during the winter, where they store food in the fall, and then sleep throughout the entire winter season, and wake up in the spring.
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-   Polar Bears have adapted in a number of ways;   They have black skin to help absorb solar energy. Their fur is actually clear and hollow which gives the bear its whit … e appearance and also helps retain heat in the water.Their feet are somewhat webbed to help them swim. They have adapted to eat almost anything.olar bears have adapted to their environment because they-Have smaller ears (to reduce heat loss-keeping them warm) - Have a large surface area to volumn ratio-Hav … e think fur to keep them insulated-Have a lot of fat so they can survive in freezing condition-Whit fur keeps them camouflaged, from predators.
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- General Description: Polar bears are large bears. They have strong legs with large, flattened feet with some webbing between their toes that help with walking on ice and swimming. The wide paws prevent sea ice from breaking by distributing weight while walking.
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- Reindeer are well suited to the taiga’s frigid winters. They can maintain a thermogradient between body core and the environment of up to 100 degrees, in part because of insulation provided by their fur, and in part because of counter-current vascular heat exchange systems in their legs and nasal passages.
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How and why do bears hibernate? According to the North American Bear Center, bears hibernate when food is hard to find or not available at all. They reduce their heart rate and their metabolic rate when they hibernate. Find out more details on the North American Bear Center's website. Here's the section about hibernation: 5 Stages of Activity and Hibernation.
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5 Stages of Activity and Hibernation Stage 2—Walking hibernation is the 2-3 weeks following emergence when metabolic processes adjust to normal summer levels. During walking hibernation, bears voluntarily eat and drink less than they will later during normal activity. They also excrete less urine, nitrogen, calcium, phosphorus, and magnesium. Stage 3 —Normal activity typically lasts from green-up in spring to the onset of hyperphagia in midsummer or fall, depending upon region.
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Denning and Hibernation Behavior Mammals that experience lower body temperatures during hibernation, such as chipmunks and ground squirrels, must awaken every few days to raise their body temperature, move around, urinate, and eat (Rogers 1981). Grizzly bears and black bears generally do not eat, drink, defecate, or urinate during hibernation.
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What adaptations help polar bears survive? 1 FUR: their thick fur keeps them warm in frigid air and water (it's actually hollow). 2  WHITE FUR: actually transparent, for camouflage in ice and snow. 3  Also reflects the heat lost through the skin, back into it's body. 4  SKIN: their skin is black to absorb heat from the sun's rays to help keep them warm.
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What is the reason why polar bears live at the North Pole? Because they evolved there. Polar bears share a very recent common ancestor with brown bears (so recent, in fact, that they can still hybridize rarely). Both evolved in the north: brown bears (grizzlies) adapted to the northern forests of the US and Canada, while polar bears adapted to the arctic landscape. Polar bears might be able to survive at the south pole, but they would have to traverse the entire planet to get there, and there’s no reason for them to do so.
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- Polar bears normally live in extremely cold environment .They have fur with hollow bristles to insulate and trap warm air to protect themselves from external freezing low temp … erature and preserve the body heat. They also have thick layer of fat under their skin.olar bears have adapted to their environment because they-Have smaller ears (to reduce heat loss-keeping them warm) - Have a large surface area to volumn ratio-Hav … e think fur to keep them insulated-Have a lot of fat so they can survive in freezing condition-Whit fur keeps them camouflaged, from predators.
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-   Polar Bears have adapted in a number of ways;   They have black skin to help absorb solar energy. Their fur is actually clear and hollow which gives the bear its whit … e appearance and also helps retain heat in the water.Their feet are somewhat webbed to help them swim.They have adapted to eat almost anything.olar bears have adapted to their environment because they-Have smaller ears (to reduce heat loss-keeping them warm) - Have a large surface area to volumn ratio-Hav … e think fur to keep them insulated-Have a lot of fat so they can survive in freezing condition-Whit fur keeps them camouflaged, from predators.
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Why do Bears hibernate? Why do Bears hibernate? March 31, 2010, Joan, Leave a comment. Why do bears hibernate? When we hear the word ‘hibernate’ we always associate it with bears. That is because, while a lot of animals go through hibernation during the winter season such as squirrels, rodents and bats, the bear is the most famous when it comes to hibernating. What comes first to our mind is why do bears hibernate? First of all, let’s get to know the meaning of hibernation.
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- In Polar Bears. Polar bears have adapted to the ice and tundra due to the fat  layers that are under their skin and extremely thick fur. A polar  bear is white so that it can blend in to it … 's environment and have  protection from predators, and can not easily be spotted by prey.