Question

A flood kills most of the population of ants that live near river water

Answer 1

A minor, usually, form of evolution that works best in small populations or in situation as you have described above.

Step-by-step explanation:

Answer 2

This situation is the perfect example of the random process that is called genetic drift. A minor, usually, form of evolution that works best in small populations or in situation as you have described above.

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