It is unlikely that early Homo lived in a solitary, ...

[storky111]

It is unlikely that early Homo lived in a solitary, orangutan-like social pattern because
 
  A) finding food alone would have been too difficult
  B) early Homo would not have been able to produce sufficient numbers of offspring
  C) there would have been intense pressure from predators at the time
  D) early Homo used speech communication, which would have served little purpose for solitary individuals
  E) fossils are so often found in groups

Question 2

________ is a hypothesis in which natural selection operates not on the individual animal but on a social group as a unit.
 
  Fill in the blank(s) with correct word

[ryansturges]

Answer to Question 1

C

Answer to Question 2

Group selection