11.1 11.2 11.3 11.5 11.6

Question 0

Allele frequency

Answer 0

The measure of how often an allele shows up in a population

Question 1

Gene pool

Answer 1

the combined alleles in a population

Question 2

Normal distribution

Answer 2

The highest point of a graph before decreasing

Question 3

Microevolution

Answer 3

The observable change in an allele over time

Question 4

Directional selection

Answer 4

A type of phenotype that is favored by selection

Question 5

Stabilizing selection

Answer 5

Intermediate phenotype that is favored and becomes frequent in a population

Question 6

Disruptive selection

Answer 6

When both extreme phenotypes are favored while the intermediate is selected against something in nature

Question 7

Gene flow

Answer 7

The movement of alleles from one population to another

Question 8

Genetic drift

Answer 8

changes in allele frequenceys

Question 9

bottleneck affect

Answer 9

Genetic drift after an event that greatly reduces the size of the population

Question 10

Founder affect

Answer 10

Genetic drift that occurs after a small number of individuals colonize a new area

Question 11

Sexual selection

Answer 11

When a certain trait increases mating success

Question 12

Reproductive Isolation

Answer 12

When 2 members of different population can no longer mate

Question 13

Specification

Answer 13

The rise of one existing species from another species

Question 14

Behavioral isolation

Answer 14

When thereare differences in courtship or a mating process

Question 15

Geographic isolation

Answer 15

When a physical barriers divides a population into 2 or more groups

Question 16

Temporal isolation

Answer 16

When timing prevents reproduction between populations

Question 17

Convergent evolution

Answer 17

Evolution toward a similar char. in a unrelated species

Question 18

divergent evolution

Answer 18

when a closely related species evolves in 2 different directions

Question 19

coevolution

Answer 19

The process in-which 2 species evolve in response to each other

Question 20

extintion

Answer 20

the elimination of a species from earth

Question 21

punctuated equilibrium

Answer 21

shot periods of drastic chance and long periods of smaller change

Question 22

adaptive radiation

Answer 22

The diversification of one ancestral species into many descendent species