Which increases genetic variation?

a. natural selection
b. genetic drift
c. stabilizing selection
d. mutations

D

Explanation:

It is D because they can reorganize the chromosomes.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

answer; i believe the answer is hydraulic action;