Biology, 07.03.2020 03:59, rainyfallaw
Human populations in low-UV environments tend to have more lightly pigmented skin. One explanation is that the selective pressure for dark skin decreases as UV intensity decreases. At the same time there is selection for lighter skin to absorb more UV radiation, which is needed for vitamin D production.
Answers: 3
Biology, 22.06.2019 02:30, briizy
Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.
Answers: 1
Biology, 22.06.2019 17:30, qdogisbeast7662
Which of the following terms describes all of the non-living components of an ecosystem
Answers: 2
Biology, 22.06.2019 23:00, alyssahockett4
What are polysaccharides more difficult to digest than monosaccharides
Answers: 1
Human populations in low-UV environments tend to have more lightly pigmented skin. One explanation i...
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