Sexual Selection & Mating Systems

Question 1

What are the 2 forms of sexual selection?

Answer 1

intersexual and intrasexual

Question 2

a form of sexual selection in which one sex choose mates on the basis of certain traits

Answer 2

intersexual selection

Question 3

a form of sexual selection in which competition between members of the same sex for mates

Answer 3

intrasexual selection

Question 4

where females drive selection by choosing males with specific behaviors or features

Answer 4

female choice

Question 5

where males compete against one another for the access of a female

Answer 5

male competition

Question 6

What is a type of intersexual selection?

Answer 6

female choice

Question 7

What is a type of intrasexual selection?

Answer 7

male competition

Question 8

one male mates with one female

Answer 8

monogamy

Question 9

individuals of one sex mates with several individuals of the other

Answer 9

polygamy

Question 10

What are the 2 types of polygamy?

Answer 10

polyandry and polygyny

Question 11

one male mates with many females

Answer 11

polygyny

Question 12

one female mates with many males

Answer 12

polyandry

Question 13

How do the parents act when their young require continuous care?

Answer 13

male: stays and helps care for young
female: finds a mate that will help care for young

Question 14

How do the parents act when their young do not require continuous care?

Answer 14

male: seeks additional mates
females: selects mates with good genes

Question 15

How does external fertilization occur?

Answer 15

eggs shed by females are fertilized by sperm in an external environment