What innovations helped Homo erectus people inhabit the Old World ...

[vicotolentino]

What innovations helped Homo erectus people inhabit the Old World from Africa to Asia?
 
  A) fire
  B) hunting and gathering
  C) shelters
  D) speech
  E) this question cannot be answered because all of the above items came along too late to have helped Homo erectus move out of Africa

Question 2

Harmful, unexpressed alleles within a species' gene pool
 
  A) make up the genetic load
  B) are eliminated by natural selection
  C) increase the amount of incest that occurs
  D) quickly lead to geographic isolation for at least one population
  E) make extinction more likely

[tandmlomax84]

Answer to Question 1

E

Answer to Question 2

A

[vicotolentino]

Excellent

[EAN94]

Gracias!