Author Question: Dark skin is found in populations near the equator. Why? a. It protects from frostbite. b. It ... (Read 65 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
Dark skin is found in populations near the equator. Why?
 
  a. It protects from frostbite.
  b. It protects from overexposure to ultraviolet radiation.
  c. It helps prevent rickets.
  d. It protects from the damaging effects of UV radiation on folate.
  e. It increases the skin's exposure to ultraviolet radiation.

Question 2

Light-skinned people, when compared to dark skinned people
 
  a. produce too much melanin
  b. have rickets
  c. lack melanin
  d. have no melanocytes
  e. are not found in African populations



amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

d

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

For a complete list of videos, visit our video library