This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is an adaptive advantage of darker skin pigmentation? A. preserving a ... (Read 69 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Jul 10, 2018
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
Reply #1 on: Jul 10, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


justinmsk

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 10, 2018
Thank you


irishcancer18

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Jul 10, 2018
No problemo


« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Mastocytosis of skin Mastocytosis of skin
Pigmented bands in nail of patient with dark skin Pigmented bands in nail of patient with dark skin
Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ... Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...
Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ... Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ...
Skin Skin
Fungal Diseases of Skin Fungal Diseases of Skin
Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

For a complete list of videos, visit our video library