Group selection works well as an explanation for human behavior because humans ____.
a. can expel uncooperative individuals from groups
b. are a highly social species who emphasize groups
c. can make rational choices about mate selection
d. benefit from living in groups
Question 2
Forgetting events prior to the time of brain damage is a characteristic of ____ amnesia.
a. retrograde
b. anterograde
c. proactive
d. procedural