12.1 Study Guide

Question 1

What does the pinky finger represent in the evolution diagram?

Answer 1

population shrinking

Question 2

What does the ring finger represent in the evolution diagram?

Answer 2

mating

Question 3

What does the middle finger represent in the evolution diagram?

Answer 3

mutations

Question 4

What does the pointer finger represent in the evolution diagram?

Answer 4

immigration

Question 5

What does the thumb represent in the evolution diagram?

Answer 5

natural selection

Question 6

how is an adaptation acquired?

Answer 6

passed through inheritance from the parents

Question 7

what kind of change is genetic drift?

Answer 7

random change

Question 8

what are the two effects of parent sampling?

Answer 8

Founder effect
bottleneck effect

Question 9

What is an example of founder effect?

Answer 9

small initial population

Question 10

What is an example of bottleneck effect?

Answer 10

natural disaster

Question 11

What is an example of gamete sampling?

Answer 11

525 billion sperm is created, but on average 2 kids are a result.