quiz 1 ch 1

Question 1

ecology

Answer 1

study or relationship between organism and environment

Question 2

various approaches of ecology

Answer 2

field, lab, observational, and manipulative

Question 3

ecological scales

Answer 3

large temporal and spatial

Question 4

species*

Answer 4

group of interbreeding organisms that produce fertile offspring

Question 5

populations*

Answer 5

group of individuals of a single species in a particular area

Question 6

community*

Answer 6

all species in given area

Question 7

ecosystems*

Answer 7

organism + physical environments

Question 8

what can de determined in an ecosystem

Answer 8

nutrient cycle and energy flow

Question 9

biosphere*

Answer 9

highest level of ecological organization.

A.K.A.: sum of all ecosystems

Question 10

when is the scientific method of inquiry used

Answer 10

to study scientific questions

Question 11

niche*

Answer 11

factors necessary for species existence

Question 12

main factors of a niche

Answer 12

environmental and biotic

Question 13

principle of competitive exclusion

Answer 13

species with identical niches cannot coexist indefinitely. can lead to better competitor eventually excluding the other

Question 14

resource partitioning*

Answer 14

exception of the principle of competitive exclusion. by Robert MacArthur which stated that resources are used in different ways or times, or both allowing organisms to coexist