<span>1.artifical selection
2.geographical distributio
3.embryology
4.fossil record
5.DNA
6.homologous structures
7.watching natural selection happen</span>
The purpose of a neuron is to receive incoming information and then relay that information to other neurons, muscles, glands, etc. they do this through electrical signals called nerve impulses or action potential.
Heating its minerals unevenly
It can sharpen your reflexes and response time
Answer:
Species could go extinct when their environment changed if they could not adapt to the change.