They have hollow fur to aid in insulation as well. They are strong swimmers, aided by their strong forearms and layer of blubber for buoyancy. They have a large layer of blubber to keep them warm. Polar bears are well adapted to life in the Arctic.In other words their structure allows them to function in that environment.Where and how an organism lives is largely due to its specific adaptations that allow it to survive and reproduce in a particular area or habitat.The product of natural selection is the adaptation of populations of organisms to their environment.Natural selection occurs through an interaction between the environment and the variability inherent among the individual organisms making up a population. ![]()
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