Evolution

Question 1

What is Evolution?

Answer 1

1. How living things have changed overtime
2. Usually in response to a change in the environment

Question 2

What is Natural Selection?

Answer 2

1. Traits passed down through generations using genes
2. Some traits increase survival rates

Question 3

What is the Environment of Evolutionary Adaption (EEA)?

Answer 3

1. A species develops its most recent adaptions
2. Increased rapid evolution- 10,000 years ago, from ape like beings on all fours to walking upright

Question 4

What is a genome lag?

Answer 4

1. Changes happen fo our environment faster than our genes can keep up

Question 5

What are the sex differences in sexual selection?

Answer 5

1. Females are choosier and are more invested
2. Males are competing for mating rights

Question 6

What is Anisogamy?

Answer 6

1. Women have 1 egg, once a month for 50 years, which means that the cost and worth of the egg is worth more than a mans sperm
2. Men produce sperm everyday from the day they are born til the day they die. it costs low energy to produce and so it’s worrh is quite low

Question 7

What is the Fisherian Runaway Hypothesis?

Answer 7

1. The balance between survival and reproduction

Question 8

What is a consequence of this theory?

Answer 8

1. It has a gender bias
2. Fight, flight, freeze does not explain a woman’s response to threat, only men’s. Women also have tend/ befriend aswell
3. It’s also reductionist, suggests that human behaviour is a set of biologically driven impulses