Answer the following question given this paragraph: 

The time scale of evolution can vary. Evolution over a short period of time at the level of the population is called microevolution. Evolution over a long period of time above the level of the species is called macroevolution.


Q: Evolution over a short period of time at the level of the population is called what?

 Choices:

- grammaticalization

- redistributions

- macroevolution

- microevolution

A:
microevolution
