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Author Question: Dark skin is advantageous in the tropics because it a. protects from frostbite. b. protects from ... (Read 227 times)

futuristic

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on: Jul 10, 2018
Dark skin is advantageous in the tropics because it
 
  a. protects from frostbite.
  b. protects from overexposure to ultraviolet radiation.
  c. helps prevent rickets.
  d. promotes vitamin D synthesis.
  e. increases the skin's exposure to ultraviolet radiation.

Question 2

Ultraviolet radiation can be an important factor in selection for increased melanin production because UV radiation can cause
 
  a. rickets.
  b. albinism.
  c. skin cancer.
  d. the destruction of foliage.
  e. drought.


sokh

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Reply #1 on: Jul 10, 2018
Answer to Question 1

B

Answer to Question 2

C


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