The large between-species differences in sleep time suggest that ...

[cagreen833]

The large between-species differences in sleep time suggest that sleep
 
  A) improves cognitive function.
  B) improves emotional function.
  C) serves a higher-order cognitive function.
  D) is not necessarily needed in large quantities.
  E) both A and C

Question 2

Species that sleep a lot tend to
 
  A) be more active.
  B) have higher body temperatures.
  C) be small.
  D) be protected from predation when they sleep.
  E) all of the above

[yotaSR5]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: D

[cagreen833]

Excellent

[rachel]

Gracias!