6
QuizMultiple Choice

Populations and the Environment — Unit test

Question 6 • Earth and Space A 26-27

Which statement describes abiotic factors in an environment?

Answer
A
Chickens run around a farm.
B
Soil retains water and nutrients.
C
Bacteria use energy to reproduce.
D
Plants compete for sunlight in an ecosystem.

Explanation

Abiotic factors are the nonliving parts of an environment, such as soil, water, sunlight, and temperature. Soil’s ability to retain water and nutrients describes a nonliving part of the environment. Chickens, bacteria, and plants are living organisms, so the other statements describe biotic factors.

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