12.1 evolution

Question 1

Natural selection

Answer 1

when one genetic variation gives individuals a higher fitness, so they are more likely to pass on traits

Question 2

genetic drift

Answer 2

change in alle frequency based on chance events

Question 3

variation

Answer 3

the amount of traits shown in a population

Question 4

fitness

Answer 4

measured amount of fertile offspring or descendents an organism has

Question 5

Differential reproduction

Answer 5

the process of selective breeding in populations

Question 6

Adaptation

Answer 6

when a population develops a trait beneficial to their fitness

Question 7

what is the pinky finger

Answer 7

population can shrink (small population)

Question 8

index finger

Answer 8

when and where individuals mate

Question 9

middle finger

Answer 9

mutations add new alleles

Question 10

pointer finger

Answer 10

movement in and out of area (genes)