Thus far, it appears that the brain feature most strongly ...

[mmm]

Thus far, it appears that the brain feature most strongly correlated with IQ in humans is the ____.
 
  a. volume of the hippocampus
  b. brain-to-body ratio
 c. brain weight
 d. amount of gray matter

Question 2

What potential advantage does a moderately aggressive monkey possess?
 
  a. They are more likely to get mates and food.
 b. They have better memories of other monkeys they have defeated.
  c. They are less depressed.
 d. Their immune system becomes stronger with each fight.

[Jsherida]

Answer to Question 1

d

Answer to Question 2

a