Unit 2 - Sexual Selection

Question 1

Sexual Selection

Answer 1

individuals with certain traits that are more likely to obtain a mate than individuals without

Question 2

Sexual Dimorphism

Answer 2

sexes differ in appearance and/or behaviors

Question 3

Intrasexual Selection (same sex competition)

Answer 3

members of the same sex compete for access to mates; includes sperm competition

Question 4

Intersexual Selection (mate choice)

Answer 4

one sex chooses based on particular traits

Question 5

Polygamous

Answer 5

one sex mates with multiple partners; favored when there is little to no parental care

Question 6

Polygynous

Answer 6

one male mates with multiple females

Question 7

Polyandrous

Answer 7

one female mates with multiple males

Question 8

Female Defense (male mating strategies)

Answer 8

male defends group of females as a resource

Question 9

Resource Defense (male mating strategies)

Answer 9

male defends territory with resources females need

Question 10

Sneaking (male mating strategies)

Answer 10

when male of low quality sneaks into territory to mate with females or fertile eggs

Question 11

Direct Benefits (female mating strategies)

Answer 11

female chooses based on how well their mate can provide for them

Question 12

Good Genes (female mating strategies)

Answer 12

females to select mates based on quality of gametes

Question 13

Monogamous

Answer 13

one male mates with one female; favored when parental care is high