Populations and the Environment Answers

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Which statement describes a population in which there is a competition for energy?

A
Several lions fight over a recent animal kill.
B
Male peacocks fight one another for a female.
C
Elephants are in search of water during a dry season.
D
Squirrels are searching for a new place to make a nest.
3

Which descriptions can be used for sand on a beach?

A
abiotic factor, once living
B
biotic factor, living thing
C
biotic factor, nonliving thing
D
abiotic factor, nonliving thing
5

Which phrase defines a community?

A
environment where nonliving things exist
B
group of the same species that live together
C
group of several populations living in an area
D
environment where living and nonliving things interact
7

A drought is a long period of dryness. If animals fight during a drought, which basic need is most likely limited?

A
water supply
B
shelter or space
C
the ability to reproduce
D
the availability of sunlight
8

Which description shows competition in an environment?

A
an organism that feeds on some food
B
an organism that finds a place to sleep
C
three organisms of the same species living in an area
D
three organisms battling over limited resources
9

Where does competition for reproduction most likely occur?

A
ecosystem
B
community
C
organism
D
population

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