Natural Selection vs Sexual Selection

Question 1

As well as traits that give someone an sexual advantage, there are traits that can give someone a…

Answer 1

survival advantage

Question 2

What is a survival advantage?

Answer 2

traits that make it more likely an individual will survive long enough to reproduce

Question 3

sometimes the traits that are attractive to a mate makes an individual…

Answer 3

less likely to survive

Question 4

sexual selection can cause…

Answer 4

conflict

Question 5

whats an example of sexual selection getting in the way of natural selection?

Answer 5

Peacocks - the females have bright coloured tails to attract males but the bright colours attract predators

Question 6

who came up with the Handicap Principle?

Answer 6

Zahavi (1975)

Question 7

what did Zahavi argue?

Answer 7

displaying a noticeable handicap to survive actually indicates survival strength

Question 8

according to the handicap principle, if someone has survived with unhelpful characteristics, this means…

Answer 8

they have superior genes

Question 9

one example of the handicap principle in humans

Answer 9

males have a strong, square jaw due to high levels of testosterone

Question 10

what does testosterone do?

Answer 10

it lowers the immune system