By the end of the Ice Age, there may have been___________ humans, ...

[student77]

By the end of the Ice Age, there may have been___________ humans, or _________________.
 
  a. 10 million, one person for every 5 square miles of land surface.
  b. 100 million, one person for every 100 square miles of land surface.
  c. 5 million, one person for every 10 square miles of land surface.
  d. 1 million, five persons for every 1 square mile of land surface.
  e. 1000 people, one person for every 10 square miles of land surface.

Question 2

For most of hominin history
 
  a. our ancestors' reproductive capacity was much different from our ape cousins.
  b. a woman gave birth every three or four years.
  c. women gave birth every two years, then a few thousand years ago began to give birth every three or four years.
  d. infant mortality rates were different than those of early farmers and some communities today.
  e. had a relatively worse environmental record before the end of the Ice Age.

[SamMuagrove]

Answer to Question 1

c

Answer to Question 2

b

[student77]

Excellent

[Dinolord]

Gracias!