This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is an adaptive advantage of darker skin pigmentation? A. preserving a ... (Read 96 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
Which of the following is an adaptive advantage of darker skin pigmentation?
 
  A. preserving a healthy amount of vitamin B complex needed for reproduction
  B. increased production of vitamin D
  C. better regulation of body heat
  D. eliminating the need for tanning and reducing the risk of freckling

Question 2

Which of the following is related to the evolution of skin pigmentation in human populations?
 
  A. the amount of ultraviolet radiation and the need for vitamin D
  B. the amount of carbohydrates versus proteins that are in the diet
  C. the need for natural camouflage from predators
  D. iron and zinc compounds in the soil



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

irishcancer18

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A





 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library