Author Question: _________ may be a selective pressure that has caused type O blood to be much more common amongst ... (Read 91 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
_________ may be a selective pressure that has caused type O blood to be much more common amongst South American native groups
 
  a. Resistance to infectious diseases from Europe
  b. Body heat regulation
  c. Ability to recover from wounds
  d. Darker skin color

Question 2

A cline is defined as _________.
 
  a. a folk taxonomic category based on biological observations
  b. the existence of two or more distinct phenotypes within a population
  c. the distribution of a trait or allele across geographical space
  d. a group of local populations



CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

Correct Answer: a

Answer to Question 2

Correct Answer: c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

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?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

For a complete list of videos, visit our video library