Define adaptation. What is the adaptation shown by - a, whales, b, kangaroo rat, c, polar bear. Why do cold regions have no small animals?
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Explanation:
In biology, adaptation has three related meanings. Firstly, it is the dynamic evolutionary process that fits organisms to their environment, enhancing their evolutionary fitness. Secondly, it is a state reached by the population during that process.
An important adaptation for marine mammals is blubber, a thick, insulating layer of fat beneath the skin that helps to keep body warmth in and the cold of the air or water
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