Question

What do scientists often use to study microevolution?

Answer 1

Hello!

The most accurate answer is

The fossil record

To understand what a Microevolution is
it's a  gene frequency 

Glad to help :)

Answer 2

They are known as evolutionary biologists. Strictly speaking, anthropology is split up into a number of disciplines - physical (sometimes known as biological) anthropology is the study of evolution as it relates to human beings. Further to this, scientists who study evolution in the fossil record are known as evolutionary palaeobiologists or simply palaeobiologists.