Ch19: populations in ecosystems

Question 1

ecology

Answer 1

study of inter-relationships between organisms and their environments

Question 2

habitat

Answer 2

place where an organism lives

Question 3

species

Answer 3

group of similar organisms which can breed to produce fertile offspring

Question 4

population

Answer 4

group of individuals of the same species that occupy the same habitat

Question 5

community

Answer 5

all the living organisms present in an ecosystem

Question 6

ecosystem

Answer 6

all the living and non living components of a particular area

Question 7

ecological niche

Answer 7

functional role of an organism in an ecosystem

Question 8

potential niche

Answer 8

the range of conditions in which organisms can survive- ABIOTIC FACTORS

Question 9

realised niche

Answer 9

the range of conditions in which an organism actually lives- BIOTIC FACTORS

Question 10

biotic factor

Answer 10

ecological factors that make up the living environment eg food availability, competition, predation

Question 11

abiotic factors

Answer 11

ecological factors which make up the part of the non living environment eg temp, pH, humidity

Question 12

carrying capacity

Answer 12

an ecosystem that supports a certain size of a population