When variations in skin color of indigenous populations of the world are plotted on a map,
A) the populations with the darkest pigmentation live furthest from the equator.
B) the populations with the darkest pigmentation live closest to the equator.
C) skin color is randomly distributed throughout the world.
D) indigenous populations have relatively consistent skin color.

Question

Quizplus · Accepted Answer

Populations with the darkest pigmentation tend to live closest to the equator due to higher UV radiation levels, which influences melanin production as a protective adaptation.

When Variations in Skin Color of Indigenous Populations of the World