By confusing paternity, estrus may __________.
a. encourage all the males to avoid the female
b. discourage all the males from being aggressive towards the female and her offspring
c. discourage all the males from mating with the female
d. encourage all the males to mate with non-estrus females
Question 2
The study of nonhuman primates to access information about human evolution is limited by __________.
a. the fact that we are not really primates ourselves
b. the small number of nunhuman primate species living
c. the huge variety and number of living nonhuman primate species
d. the relative lack of similarity between primates and ourselves