The polar bear or the ice bear are the world’s largest land predators. They can be found in the Arctic, the U.S. (Alaska), Canada, Russia, Denmark (Greenland), and Norway.
These countries either banned hunting or made rules for how many polar bears could be hunted within its own boundaries. These rules help keep the polar bear populations stable. Today, 20,000 to 40,000 polar bears roam the Arctic.
This information helps people understand how endangered the polar bear is how would you feel if the human race was endangered.
There are three main dangers to the polar bear
1. Hunting is a big issue they kill the polar bears so they can make money while knowing that they have just taken an animals life and that gilt should stay with them forever.
2. global warming is a huge danger to polar bears humans use to many cars buses and we have to many factory’s which make very hot smoke and that makes all the ice melts.
3. Habitat loss happens all the time and it’s becoming a regular thing for the polar bear but that doesn’t mean it’s a good thing it just means it’s happening more and they are getting use to losing family members.
Honestly what does the Polar Bear need more than anything else ……” Ice”!!! What can Defenders of Wildlife do about that?
“Nothing”!
Humans are the polar bears only predator. Baby polar bears often starve. In fact, 70 percent do not live to their third birthday. Sometimes seals are hard to find, especially in the summer when the ice has melted. All across the Arctic, man is moving in to mine oil and coal and there is less space for the polar bear to live. Oil spills can be very dangerous. A bear with oil on its coat cannot regulate its body temperature properly. If the bear eats the oil while grooming it could die.
The Essay on Natural Born Cyborgs Clark Technology Human
Andy Clark, in Natural-Born Cyborgs, offers an extended argument that technology's impact on and intertwining with ordinary biological human life is not to be feared, either psychologically or morally. Clark offers several key concepts towards his line of reasoning. Clark argues that a human being thinks and reasons based on the biological brain and body dynamically linked with the culture and ...
Man made pollution is also a cause of death. At each stage of the food chain, pollutants get more concentrated. By the end when the polar bear eats the seal and it could be lethal.
In a recent study done, that was released on July 6, 2009, states that not only is global warming threading the existence of polar bears, but also harmful chemicals that man is releasing into the environment.
Mercury has been found in polar bear bodies. Mercury is ingested by the polar bear through other animals. It can simply start our as a small fish, then as it goes through the food chain, it becomes more and more concentrated. By the time the polar bear eats the seal, the mercury levels could have a lethal effect on the polar bear.
Polar bears live in a very specific. habitat They need the cold, snow and ice of the polar regions. That is why they are called “polar bears” and not “summer bears.” Polar bears have very few natural threats in the polar region. Polar bears are on the top of the food chain and there are no other animals in the north that will threaten the polar bears. So why are the polar bears now on the threatened/endangered species list?
Polar bears are not threatened because of other animals or because they are being hunted too much. Polar bears are threatened as a direct effect on how we as humans treat the earth and the environment. People have begun to take the earth for granted. They have treated it as though it is indestructible. When in fact, the earth is destructible, and we are destroying it.
Climate change is effecting the polar bears already. They have to stay on shore more, because the ice forms later in the year and lasts for fewer months. Polar bears need the ice to live. They hunt seals from the ice floes and with less time on the ice. The less time they have to eat. Polar bears do not hibernate. They have to have enough fat storage build up throughout the winter to last them throughout the spring, summer, and parts of fall. So to answer the question, is global warming killing the polar bears? Yes, and we have to begin acting now to help with their survival.
The Essay on Harbor Seals Seal Food Pup
Harbor seals are marine mammals that have spotted coats in a variety of shades from silver gray, black to dark brown. They reach 5 to 6 feet in length and weigh up to 300 pounds. Harbor seals are dimorphic, with the male being slightly larger than the female. They are true, or crawling seals, which means they have no external earflaps. True seals also have small flippers, and move on land by ...
Did you know?
…polar bears shelter their cubs in a safety of their snow dens when they go hunting for food. But as the ice melts, these dens are collapsing on the cubs, leaving them weak and exposed to the extreme weather conditions.
…experts predict that the arctic sea ice could disappear completely in summer by 2040.
More than two thirds of the world’s polar bears will be wiped out by 2050, according to a shocking new study.
By then, scientists say, global warming will have melted 42% of the Arctic sea ice which the bears need to hunt and repopulate.
And by 2100, the experts warn only a handful of the magnificent creatures will be left.
Polar bears depend on floating sea ice as a platform for hunting seals, their main food. But the ice is disappearing throughout the Arctic because of climate change. Some team members fear the outlook is even bleaker for the bears than their report says.
The fact is that the polar bear population is not in danger of extinction and no science group claims they are. The current belief is that if global warming should start to melt ice again for any length of time, the issue could become significant enough to cause the polar bear to become endangered. Currently this is not an issue either as polar bear population has risen from a low of 800 to well over 25,000. Hunting is allowed of these animals because of their abundance.
Fat polar bears rarely attack humans unless severely provoked, whereas hungry polar bears are extremely unpredictable and are known to kill and sometimes eat humans.
Adaptations allow polar bears to live in the frozen Arctic, but global warming is destroying their habitat and leaving them seriously endangered. Despite being born deaf and blind beneath the snow, cubs eventually grow into the most powerful of all four-legged animals. Using their incredible sense of smell to track their prey, adult polar bears spend most of their lives alone, wandering over the vast tracts of frozen ice in search of blubber-rich prey such as seals, walruses and even whales. They are also remarkably good swimmers and have been spotted over 60 miles from shore.
The Essay on Students on Ice Arctic and Antarctic Expedition
- We are at a critical point in the Earth’s history. Together, we will develop the knowledge, skills, perspectives and practices needed to be polar ambassadors and environmentally responsible citizens. - Youth have a key role to play in shaping the world of today and the world of tomorrow. Youth make a difference! - We are part of Nature. Our future is tightly linked to biodiversity, the huge ...
Right at the top of the arctic food chain. Polar bears balance nature by preventing an overpopulation of seals.
The physical adaptations that help polar bears survive include:
* FUR : their thick fur keeps them warm in frigid air and water (it’s actually hollow)
* WHITE FUR: actually transparent, for camouflage in ice and snow
* SKIN: their skin is black to absorb heat from the sun’s rays to help keep them warm
* PAWS : the pads provide traction on ice
* BIG PAWS : spread body weight on ice, and are broad for use in swimming
* CLAWS : are curved to dig through ice
* SMALL EARS and TAILS : are short to minimize heat loss
* TEETH : more jagged than most bears, suiting a carnivore
* FAT LAYERS: keeps them warm (insulates)
* NOSTRILS : their nostrils close underwater
All my information is from 3 books 3 posters and 4 websites
The 3 books are:
The World of the Polar Bear, by Norbert Rosing
Bear, by Daniel j. Cox
Polar Bears, by Dr Tracey Rich & Andy Rouse
The websites I used:
Wikipedia – 13th December
Answer.com – 13th December
Library.thinkquest.org – 14th December
