Cycles of Matter Answers

10 verified answers
1
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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.
2
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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.
3

What is one way to classify mud found in an ecosystem?

A
organism
B
population
C
biotic factor
D
abiotic factor
4

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
5

Which factor do trees need when they compete for energy?

A
soil
B
sunlight
C
space
D
ability to reproduce
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
9

Where does competition for reproduction most likely occur?

A
ecosystem
B
community
C
organism
D
population
10

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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