Ch17

Question 1

define Sexual selection

Answer 1

advantage that some individuals have over others of the same sex with respect to reproduction only

Question 2

define Intersexual selection

Answer 2

one sex select among the other sex as mates

*female choice

Question 3

define Intrasexual selection

Answer 3

one sex compete with each other for access to the other sex

*male-male competition

Question 4

list the evolved mechanisms to prevent sperm competition

Answer 4

• mating plug

- males remove previous male’s sperm

Question 5

rank mating systems for male from highest to lowest reproductive success

Answer 5

• polygyny
• momogamy
• polygynandry
• polyandry

Question 6

rank mating systems for female from highest to lowest reproductive success

Answer 6

• polyandry
• polygynandry
• momogamy
• polygyny

Question 7

State the Conflicts of interest between males & females

Answer 7

• different mating systems

- traits evolve in one sex may be harmful to the other

Question 8

In the example of red deers what is one statistically significant negative correlation found?

Answer 8

high fitness in the male correlated with low fitness in the daughter