Because populations are genetically open: a. there are no ...

[bobypop]

Because populations are genetically open:
 
  a. there are no barriers, cultural or biological, to human reproduction
  b. there is no such thing as biological variation
 c. there are few fixed racial groups
 d. there are no fixed racial groups

Question 2

American children are among the earliest to develop a concept of self because of the high level of social stimulation they receive.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[xoxo123]

Answer to Question 1

d

Answer to Question 2

False

[bobypop]

Thanks for the timely response, appreciate it

[bulacsom]

TYSM