Answer:
1. Adaptation,the action or process of adapting or being adapted.
2.Hibernation,the condition or period of an animal or plant spending the winter in a dormant state.
3.Estivation,prolonged torpor or dormancy of an animal during a hot or dry period.
4.Migration,seasonal movement of animals from one region to another.
5.Chlorophyll,a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
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