Behavioral traits are useful in distinguishing among species because

Behavioral traits are useful in distinguishing among species because
 
  a. behaviors are always genetically determined.
  b. courtship behaviors and timing of mating may create prezygotic isolation.
  c. behaviors are easy to assess in dead and fossilized specimens.
  d. behaviors are independent of morphological characteristics.
  e. behaviors are always learned

Question 2

Which of the following pairs of traits are homologous?
 
  a. butterfly wings and bat wings
  b. the surface areas of bird and bat wings
  c. the bones of bird and bat wings
  d. butterfly wings and bird wings
  e. bird wings and bat wings