What are the special features in a polar bear?

Answer

The special features are its claws and its fur so it can survive harsh conditions. There are many stories about the polar bear, and interesting tales told. Another the special thing about the polar bear is that they are endangered due to melting ice
Q&A Related to "What are the special features in a polar bear?"
Arctic temperatures range from 10 degrees Celsius in summer to below minus 30 in winter. Winter has little to no sunlight. Summer has near-continuous daytime but little solar radiation
http://www.ehow.com/info_8442016_abiotic-features-...
They keep seal populations healthy. For example ringed seal. Without their natural predator which has been their main predator for millions of years the following happens. Seal populations
http://answers.yahoo.com/question/index?qid=200804...
Well on top of having nearly 10cm (about 4 inches) of blubber for insulation, they also have two different layers of fur. A thick under layer for thermal insulation, and a coarse
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