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 112 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?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash. Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash.
Cross section of skin Cross section of skin
World map of the distribution of skin color. World map of the distribution of skin color.
Primatologist Volker Sommer and his colleagues showed that langur infanticide had adaptive value and Primatologist Volker Sommer and his colleagues showed that langur infanticide had adaptive value and
An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette. An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette.
Video: Eczema

For a complete list of videos, visit our video library