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Why Do Polar Bears Live

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Could you imagine going from the warm sunny beaches of Florida to the harsh winters of Antartica? It would take some serious adaptions to be able to survive in such drastic changes. Anglerfish and polar bears have made some pretty sufficient adaptions that allows them to be where they are today. If these organisms were not capable to make such vital changes they would not be here today. The anglerfish are some harsh and scary fish, but they do what they need to survive. Anglerfish are gray to dark brown with some large heads and mouths. They range from eight inches to three feet. They can weigh up to 100 pounds! They have a fishing pole like object protruding out of it 's head. This body part is called the illicium. Attached to it …show more content…

Polar bears have made some of the most extreme adaptions. Polar bears originated from brown bears. It is obvious that polar bears made massive evolutionary changes to be able to survive in the harsh artic conditions. To me, the most valuable changes polar bears have made is their furry coat. Just think about it, the artic can get to below 50 degrees. You would need some serious protection to stay warm. The layer closest to their bears skin retains heat to keep the bear nice and toasty. The outside layer repels the severe snow and weather. What you think is hair is actually hollow tubes that trap air and reflect light which gives polar beares that icy look. Another great adaption is the bears coat is water repellent. So after taking a dip in the water, the bears just shake of the water. Underneath all that hair is actually black skin that absorbs heat from the sun. Those adaptions are what keeps the polar bear species alive today. These bears hunt for their food and use the freezing water to get to some of their prey. To assist with swimming, they have a four inch layer of blubber that lets them stay bouyont. Along with their huge bodies, these carnivores have long powerful claws that grip the ice. When swimming, they have webbed feet to assist in swimming. These intriguing mammals live solitary lives. The most communication that happens is with the female and her cubs. One amazing ability polar bears developed is being able to slow down their metabolic rate when

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Black bears have a medium to heavy frame with large ears and powerful limbs. The black bear has a coat that can differentiate from brown, cinnamon, blond, grey-blue, and of course, black. They can adapt to their environment easily but are normally found in forested areas. It has a diet that consists of fruits, buds, berries, nut, insects, and food lest by humans. They are incredible climbers that can use their claws to extract food from the trees.

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Also bears are mammals since they give birth to live animals. Plus there exist to be various types of bears such as black bears, grizzly, panda, polar, and sun bear. Also a bear lives in caves, and trees. Conclusion Bears are a significant fragment of the earth since they keep the deer overpopulation from happening. Also, they eat most of the beetles that eat the

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Adaptions are characteristics that living things have in response to its enviornment changing. All plants and animals have their own unique characteristics to defend and protect themselves from their enviornment around them. Organisms need to use their characteristics to find a way to reproduce, have a need for energy, protect themselves from predation, and from their own enviornment. Gray wolves have many special adaptions that help them to protect and live in their own enviornment. Gray wolves have a thick fur coat to protect themselves from their cold enviornment in the snow and their log guard hairs to keep them out of moisture.

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The bear is an extremely diverse creature that has been around for a very long time. We see them portrayed in many ways, from a fierce predator to be feared to a cuddly stuffed animal friend. Here is part one of our list of interesting facts about bears. Number Fifteen: We Can Determine Their Age Through Their Teeth The most reliable method for determining the age of a bear is to look at a cross section of its tooth root through a microscope lens.

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Have you ever wondered why particularly in Alaska, bears need to stock up on food before winter comes? all the bears particularly in Alaska, need to stock up on food before winter comes because when winter hits food goes away. In the text it states " When the cold Alaskan winter hits, the bears’ food supply disappears. Temperatures drop, freezing the streams where tasty salmon swim. The berries that the bears snack on vanishes".

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As a consequence, these animals are now forced to spend more time on shore scavenging for food, often going without while awaiting new ice to form in the fall. There is also growing concern for polar bear cubs that are thought to be incapable of swimming the increasingly greater distances in open water between shrinking ice floes. As evidence, they offer the growing number of very young polar bear carcasses that they notice being washed up on shore. Many mother bears also appear to be dangerously thin and less able to fend for themselves and their young. This situation is quite noticeable among polar bears along the western shore of Hudson Bay, especially around the town of Churchill Manitoba, a location where polar bears traditionally spend the late months of fall foraging on shore awaiting the freeze-up, a freeze-up that now comes later each year.

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Do American consumers have any responsibility for child workers in other countries who make the goods they purchase? Why or why not? When we go to a food market, many of the food that we eat has a list of ingredients, as well as nutrition facts. This allow us, if you are interested, in eat healthier foods, etcetera.

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Animals such as arctic foxes, polar bears, gray wolves, caribou, snow geese and musk oxen live in the arctic tundra year around despite all

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They use the ice to rest on while hunting for seals, but since there is less ice it’s causing the polar bears to drown from exhaustion. Walruses can eat up to 200 pounds of clams each day. Clams are usually found near the continental shelf but with ice caps melting it is getting harder for walruses to find

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Adaptation is the key to an organism’s survival. It is the only way that organisms can advance with the ever changing environment. According to Charles Darwin’s theory of evolution by natural selection, the organisms that obtain inheritable traits which permit them to adapt better to their habitat are more likely to survive, reproduction and pass these traits to their offsprings. Thanks to dedicated biological researchers, veterinarians and well-advanced technology, we now have incredible new insights into the life of the polar bears.

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Climate change, specifically warmer temperatures, has extensively altered these habitats by reducing sea ice extent, thus affecting polar bears since they use it as a platform to travel, hunt, and rest. Changes in the timing of sea ice formation and break up limits the amount of time bears can feed off of seals during late and early summer, hence limiting the amount of fat they are able to store for later seasons. Lower rates of food intake and storage correlates to low reproductive rates, and since females do not have sufficient fat and mass required for successful parturition, they abstain from

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