Ch. 4 quiz

Question 1

what is an important distinction b/w weather and climate?

Answer 1

climate occurs over an a longer temporal scale

Question 2

an organism moving through areas with environmental variation will perceive that variation as

Answer 2

temporal heterogeneity

Question 3

an organism can survive in cold temps but not in hot temps is an example of

Answer 3

phenotypic tradeoff

Question 4

negative correlation b/w 2 variables mean that

Answer 4

as on variable increases, the other decreases

Question 5

which environment favors the evolution of phenotypic plasticity?

Answer 5

a tidal zone

Question 6

if self-fertilization results in low fitness, why would an organism choose self-fertilization as a mating strategy?

Answer 6

to ensure reproduction in low population densities

Question 7

if roots increase a plants ability to obtain water, when shouldn’t a plant grow more roots?

Answer 7

when water is abundant

Question 8

why can migration be considered a phenotypically plastic behavior?

Answer 8

the place an organism lives can be considered part of its phenotype

Question 9

which type of dormancy is commonly used in the summer?

Answer 9

aestiviation

Question 10

which behavior is optimal for an organism using central place forging?

Answer 10

increased time spent searching for food at longer distances