Biology
Biology, 11.04.2021 22:40, BreBreDoeCCx

What factors caused the correlation between the reduction in skin pigmentation in humans and migration of human populations away from the equator?(1 point) A) The exposure of human populations to predators only common to the polar regions caused them to adapt by camouflaging better with the environment.

B) The exposure of human populations to less UV light required a reduction in melanin to produce more vitamin D for healthier bones.

C) The exposure of human populations to new sources of food common to the polar regions caused changes in physiology that resulted in the production of less melanin.

D) The exposure of human populations to new diseases common to the polar regions interferred with melanin production causing lighter skin.

answer
Answers: 2

Other questions on the subject: Biology

image
Biology, 21.06.2019 16:30, alexisbrad3107
An atom of nitrogen had seven protons in its nucleus. how many electrons does it have
Answers: 1
image
Biology, 22.06.2019 05:00, graymonky12
This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called
Answers: 2
image
Biology, 22.06.2019 06:00, Ryan02717
Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time
Answers: 1
image
Biology, 22.06.2019 16:20, bcox32314
Which u. s. state lists the horned toad as its state reptile?
Answers: 2
Do you know the correct answer?
What factors caused the correlation between the reduction in skin pigmentation in humans and migrati...

Questions in other subjects:

Konu
Mathematics, 18.10.2020 14:01