lecture 11

Question 1

ecophysiology studies what?

Answer 1

how an orgnisms structure, physiology, and behavior meet environmental challenges

Question 2

what is ecosystem ecology?

Answer 2

emphasizes energy flow and chemical cycling among the various biotic and abiotic componenets

Question 2

what is the type 1 survivorship curve?

Answer 2

low mortality in youth, high mortality in old age

Question 2

what is type III survivorship?

Answer 2

high mortality in youth, low mortality in survivor

Question 2

what is type II survivorship

Answer 2

equal mortality, constant death rate over organisms life span

Question 2

what type of curve does exponential growth have?

Answer 2

j curve

Question 3

what happens when N approaches K

Answer 3

the populaton growth rate slows dramatically

Question 4

what is R selection?

Answer 4

selection for traits that maximize reproductive success in uncrowded environments

Question 5

what is K selection

Answer 5

select traits that are sensitive to population density and are favored at high densities

Question 6

what tyoe of interaction is species competing for a resource in short supply

Answer 6

-/-

Question 7

what is fundamental niche?

Answer 7

is the niche potentially occupied by that species

Question 8

what is realized niche?

Answer 8

niche actually occupied by that species