According to Darwin, _____ were learned behaviors that became ...

[Melani1276]

According to Darwin, _____ were learned behaviors that became innate because of their usefulness.
 
  a. social facilitation
  b. serviceable associated habits
  c. direct action on the nervous system
  d. inherited actions

Question 2

Darwin's principle which states that opposite emotions result in the expression of opposite types of behavior is known as the principle of:
 
  a. serviceable associated habits
  b. direct action
  c. antithesis
  d. balanced emotions

[cegalasso]

Answer to Question 1

b

Answer to Question 2

c

[Melani1276]

TYSM

[xiaomengxian]

Gracias!