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what do polar bears need to survive

Posted on Dec 4, 2020 in Uncategorized

“Body temperature, which is normally 37C (98.6F), is maintained through a thick layer of fur, a tough hide, and an insulating layer of blubber. 2. Although this environment is incredibly cold and inhospitable to humans, polar bears prefer the cold. The adolescent polar bear often has to scavenge on the carcasses of other bears' kills while learning to develop its own hunting skills. Thus it is reasonable to assume that if the weather somehow gets warmer in the Arctic (which is highly unlikely) the polar bears and seals are going to die for they are not so adapted. Because of this a polar bear's home range can be enormous—far greater than any other species of bear. Polar bears are found in five nations across the Arctic: the U.S. (Alaska), Canada, Russia, Greenland, and Norway (Svalbard). Fatty diet The average polar bear can consume 2kg (4.4 lbs) of fat in a day. Polar bears need thermoregulation, because they want to survive in this extreme temperature. Color the pictures! Polar bears, also known as Ursus maritimus, are large carnivorous mammals native to the region lying within the Arctic Circle, which includes the Arctic Ocean and its surrounding seas and landmasses. In order to know these adaptations in detail one must understand how polar bears have evolved to live on the sea ice. A big appetite Efficient digestion The bear's digestive system absorbs approximately 84% of the protein and 97% of the fat it consumes. The female polar bear, also known as a sow, weighs about half the weight of the male. Foraging and Eating. So some bears might not be able to build up the fat they need to survive the rest of the year. 3.When you're happy with the order, tape them together on the backside. No. Arrange the pictures in the right order. Polar bears have thick fur and black, heat attracting skin. Polar bears eat seals to survive. 4. This reduces the surface area to lose heat from. There are a number of reasons why one could never survive more than a few hours in the Amazon. A significant cause of climate change is the emission of polluting … Polar bears need fat to survive and can eat more than four pounds of it every day. Polar bears are finely adapted to life in the Arctic. Where do Polar Bears Live: Polar bears live exclusively in the Arctic, near the north pole. Their primary preys are seals which are not known to survive in warm weather just like polar bears. This polar bear is trying to break into a den of seals hidden beneath the snow. 1. We can all contribute to reducing climate change, and therefore help polar bears and other endangered species. Cut out each picture along the dotted line. WHAT TO DO: 1. Home for polar bears is on the sea ice, where they hunt seals at open leads. Polar Bear Adaptations: Low surface area to volume ratio (anatomical) - Compared to other species of bears, polar bears have small extremities, proportionally shorter legs and a stockier build. of fat per day to obtain enough energy to survive. could provide up to eight days of energy for a polar bear. a polar bear needs many great essentials to survive, they also need many great qualities to adapt to their enviorment its like a grizzly times10. While the powerful paddle-like feet provides absolute support to the body weight dense fur, specialized teeth, and sharp nose facilitates the bear in swimming, eating, and smelling respectively. An adult male of a polar bear, also known as boar, weighs approximately 772 to 1,543 pounds. The sea ice is vast and ever-changing. A ringed seal weighing 55 kg (121 lb.) Polar bears need an average of 2 kg (4.4 lb.) Still hunting. Polar bears live in cold habitats so as their prey. Hibernating polar bears do not eat. 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