What does the term adaptation mean? how does adaptation explain the patterns of distribution of plant and animal species in the world?me!

Adaptation refers to the changes that an organism undergo in order to fit natural surroundings. For instance, in cold weather conditions, polar bears thicken their fur to give them warmth. Adaptation explains the patterns of distribution of plant and animal species in the world in that adaptation is required for survival; a plant or animal that does not adapt to a particular surroundings cannot survive there

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