19. Sexual selection

Question 1

What is sexual selection? (Sexual psychobiology)

Answer 1

The process by which secondary sexual train become elaborated because they increase the owners ability to gain mates

Question 2

What two processes generate sexual selection? (Sexual psychobiology)

Answer 2

• Inter-sexual choice

- Intra-sexual competition

Question 3

What is inter-sexual choice? (Sexual psychobiology)

Answer 3

Choice of members by one sexual genre mating to the partners of the opposite sex

Question 4

What is intra-sexual competition? (Sexual psychobiology)

Answer 4

Competition between members of the same sex over other mates

Question 5

What factors effect intra-sexual competition? (Sexual psychobiology)

Answer 5

• Good genes

- Fisherian selection

Question 6

What is sexual dimorphism? (Sexual psychobiology)

Answer 6

the difference in appearance between females and males of the same species

Question 7

What does the potential reproductive rate explain? (Sexual psychobiology)

Answer 7

Why males compete for females (cheap and easy sperm)

Question 8

What is resource holding potential? (Sexual psychobiology)

Answer 8

The ability to acquire and defend a resource

Question 9

What is fluctuating asymmetry? (Sexual psychobiology)

Answer 9

Deviation away from symmetrical characteristics

Question 10

What is shown through fluctuating asymmetry? (Sexual psychobiology)

Answer 10

The ability to withstand stress and can predict fitness