Why is dark skin (a result of increased melanin production in equatorial peoples) likely a response to ultraviolet (UV) radiation?
A) because UV radiation can cause skin cancer
B) because UV radiation can cause hypoxia
C) because UV radiation can cause rickets
D) because UV radiation can cause hypothermia
Correct Answer:
Verified
Q21: What does the maintenance of homeostasis involve?
A)the
Q22: Wolff 's law is the principle that
A)states
Q23: In the days when races were thought
Q24: Which is a major contributor to the
Q25: Hypoxia has been shown to be an
Q27: How do the Inuit and other cold-adapted
Q28: At what level does genetic adaptation occur?
A)at
Q29: What kind of changes occur with functional
Q30: How can homeostasis be studied indirectly?
A)by observing
Q31: For women with very low body weight,what
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