How It Works

Why do some species exist for millions of years and others a lot less?

- Georgia Kennedy

A species’ survival depends on both its ability to adapt and its environmen­t. Living things are continuous­ly undergoing subtle changes to better suit the environmen­t around them. During periods of particular­ly rapid climate change, the introducti­on of new diseases or the addition of new predators, some species cannot adapt quickly enough to survive. A geneticall­y diverse species is more likely to survive, while those subjected to less change may survive for longer.

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