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Adaptation - the problem of survival

Curlew sitting in grassy field

Image: David J Morris

Deserts are baking hot, with no water. The Antarctic is freezing cold, with no plants. No two places are the same, and every place changes with the seasons. 

So even if an animal can survive in one place, there’s always another problem around the corner.

Yet wherever you go on Earth, you will find something living there. All plants and animals have certain features, called adaptations, to help them survive the conditions where they live. For instance, in the frozen Arctic, a polar bear has thick fur to keep it warm and broad paws for walking on snow. Adaptation is the solution to the problems of survival.