Exam 1

Question 1

Adaptation

Answer 1

Evolution in response to natural selection on heritable (genetic) trait differences.

Question 2

Selection

Answer 2

Differences in fitness among individuals due to their trait differences

Question 3

Fitness

Answer 3

Survival and reproduction

Question 4

Phenotypes

Answer 4

Trait differences among individuals

Question 5

Genotypes

Answer 5

Genetic differences among individuals

Question 6

Alleles

Answer 6

DNA differences at the same location in the genome

Question 7

Evolution

Answer 7

Any change in allele frequencies over time

Question 8

Genetic drift

Answer 8

Allele frequency change due to random chance

Question 9

Gene flow

Answer 9

Allele frequency change due to movement of individuals/genes among locations

Question 10

“K strategy” example, competion, and enviorment

Answer 10

slow + steady
limited resources
high competition

Question 11

“R strategy” example, competion, and enviorment

Answer 11

Live fast die young
high resources
low competition

Question 12

trade-offs shape…

Answer 12

what combination of traints are possible

Question 13

benifits of a strategy depend on

Answer 13

enviorment

Question 14

life history is

Answer 14

the pattern of life events

Question 15

the Grimes triangle is

Answer 15

another way to categorize life history strategies

Question 16

the main major trade-offs

Answer 16

reproduction
lifespan
growth
defenses