Sexual Selection

Question 1

What is sexual dimorphism?

Answer 1

Any trait that differs between males and females of the same species. Also called secondary sexual traits.

Question 2

What is monogamy?

Answer 2

One male, one female

Question 3

What is polygyny?

Answer 3

One male, two or more females

Question 4

What is polyandry?

Answer 4

One female, two or more males

Question 5

For many primate species, there is no sexual dimorphism. What type of mating system would you predict that they have?

Answer 5

Monogamy. Less fighting/competition, less extreme sexual dimorphism.

Question 6

Which mating system has the largest relative testes size?

Answer 6

Multifemale, multimale