0
What else can I help you with?
From what are polar bears at risk?
loss of ice due to global warming
How do polar bears cause global warming?
Polar bears do not cause global warming. In fact, polar bears are affected by global warming due to the shrinking of their sea ice habitat. The loss of sea ice reduces their hunting grounds and threatens their survival.
What is one possible reason why polar bears might not be able to survive if the environment they live in changes?
One possible reason polar bears might struggle to survive with environmental changes is the loss of sea ice due to climate change. Sea ice is crucial for their hunting and breeding, as it provides a platform for them to catch seals, their primary food source. As ice melts, polar bears have to travel greater distances to find food, leading to increased energy expenditure and potential starvation. Additionally, habitat loss can disrupt their breeding and nursing behaviors, further threatening their survival.
What is the problem of polar bears in endangerment?
Loss of sea ice on which to rest from their long springtime swims.
Are polar bears rare and hard to find?
Polar bears are losing ground in the Arctic due to loss of the polar ice cap but not yet listed as endangered. They are considered a vulnerable species, however. In some areas they are still quite common.
Why is it not suitable for polar bears to live in warm climate areas?
Polar bears have special adaptations specifically for cold climates. They have two layers of fur and blubber which prevents heat loss. They will suffer from overheating if put in warm climate.
How did humans cause polar bears to become endangered?
Over hunting reduced the population to less than 8000 in the 1970's. Today, the polar bear numbers around 25000, and is in no imminent danger of extinction. Listed as vulnerable by the IUCN.
The enemies for polar bears?
yes a polar bear has enemies . a walrus andsome ethier stuff. Enemies: Other polar bears and humans (1) directly, and (2) indirectly by humans through loss of habitat for oil exploitation, sea pollution and global warming. Bear cubs are volurable to wolves.whales
What is the reason behind white hair?
Loss of melanin as you age.
Are polar bears endangered right now?
The generally accepted definition of an endangered species is one that faces a very high risk of extinction in the near future. Polar bears do not fit this definition yet because there are still about 20,000 individuals living in the wild. The loss of sea ice in the Arctic in recent years, however, poses a serious threat to polar bear habitat. Polar bears can only hunt seals, their main source of food, when the seas are frozen. When the sea ice melts, the bears are stuck on land where there isn't much food available for them. As the ice melts for longer periods each year, there is a growing danger that the bears can't get enough food in the winter to sustain them through the other three seasons. For that reason, the U.S. Dept. of Interior decided in 2008 to list the polar bear as a threatened species under the Endangered Species Act (ESA), ruling that loss of habitat puts polar bears at risk of becoming endangered in the foreseeable future.
Why the polar bear are deceasing?
Global warming is a main culprit of the decreaseing numbers of Polar bears, warmer temperatures mean loss of habitat due to melting ice and glaciers.
What kinds of enemies do polar bears have?
The only natural enemy is the orca. Orcas are known to occasionally kill and devour swimming polar bears. Otherwise, the polar bear is the apex predator in the ecosystem.
