Populations and the Environment Answers

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Which statement describes a biotic factor interacting with the environment?

A
Water flows down a creek bed.
B
Soil contains nutrients for growth.
C
Deer graze through the grassland.
D
The sun emits solar rays that reach Earth.
3

Which statement describes competition for shelter?

A
Bees work together to construct a beehive.
B
Two prairie dogs fight over underground space.
C
Several monkeys work to create a space for their young.
D
Two male lions fight to be able to mate with a female lion.
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
6

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
7

Which statement describes a scenario where limited availability of an environmental resource leads to competition among plants?

A
Organisms share a place to sleep.
B
A living thing consumes berries on a tree.
C
Sunlight shines only three months out of the year.
D
A stream supplies an abundance of water in a forest.
8

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

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