Pay only for approved parts Endangered Species Essay Sample and Writing Guide Posted on August 16, by EssayShark Have you ever thought that in the technological age people have almost forgotten about nature and the importance of protecting the natural environment? Unfortunately, it is a sad reality, but that is the truth we have to face. People do not really care that somewhere, far away from their comfortable homes, species of animals and plants are disappearing from our planet forever. And it is good that teachers at colleges and schools ask their students to write an endangered species essay.
Also hunting, pollution and industrial development.
Polar bears are found in the circumpolar north in the U. AlaskaCanada, Greenland, Russia and Norway. What threats do they face? Declining ice habitat is already hurting polar bears, but scientists predict even more dramatic reductions in sea ice coverage during the next 50 to years.
Mother bears cannot pack on enough body weight to nurse their cubs and many bears are left starving.
Some bears are even drowning as they swim further and further distances out to sea to find food. Cubs of mother bears who swim too far to find food often perish. It can also affect mother polar bears when they select their dens, or cause them to abandon a den — and their cubs.
The IUCN states thatpolar bears remain in the wild worldwide.
About 8, bears from Canada to Alaska to Russia share this divergent ice. They will wait for ringed seals to surface in their breathing holes or stalk them on ice floes. To catch hauled-out seals, they will pounce from as much as 20 feet away. Polar bears follow ice floes to maintain their food supply, and as sea ice melts and recedes further from shore in the summer, bears must decide either to fast until the ice returns in winter or swim further and further out to sea for the chance to find food.
Polar bears will also eat the occasional small mammal, the remains of other animals like whales, or scavenge eggs from on-shore bird nests.
However, consuming seal blubber is critical to allowing them to maintain their needed body weight. This involves submissive behavior, circling, and nose bumping. After eating as much as possible in the summer, pregnant females will make a small snow cave in the fall.
Mothers wait for the snow to close the tunnel entrance, and then within their cozy den will give birth to one, two or three tiny cubs during the winter months.
Polar bear families generally emerge from their den in March or April when the cubs are strong enough to survive outside and ready to make the trek to the sea ice.
Scientists, however, believe disturbances caused by development activities can cause mothers to abandon their dens early, thereby endangering the lives of their newborn cubs.
Polar Bear Adaptations Polar bears are insulated by two layers of fur.Essay Title: Polar bears are endangered Polar bears are one of the countless species who are endangered.
They were one of the first animals affected by global warming and their population is heavily decreasing. Around , the Arctic was as large as 8 million square kilometres. Essay Title: Polar bears are endangered Polar bears are one of the countless species who are endangered. They were one of the first animals affected by global warming and their population is heavily decreasing.
The Endangered Species Act was established in to protect endangered species. Climate change, caused by anthropogenic greenhouse gas emissions, has serious consequences for many species, but it is a great concern for polar bears.
NOTE: There can be more than one keystone species in an ecosystem. So save these species make sure that they cannot come under endangered keystone species. Read essay about Polar bear comes under endangered species list.
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Polar Bear Diet Polar bears eat mainly ringed and bearded seals that live in the Pacific Ocean’s Bering Sea, as well as the Beaufort and Chukchi Seas of the Arctic Ocean.
They will wait for ringed seals to surface in their breathing holes or stalk them on ice floes.