20.1 Abiotic Factors Question Preview (ID: 44299)
Chapter 20 Section 1 Key Topics.
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A loose mixture of rock fragments, organic material, water, and air is known as
a) ecosystem.
b) climate.
c) soil.
d) atmosphere.
Weather conditions in an area over a long time period is
a) climate.
b) atmosphere.
c) ecosystem.
d) soil.
A layer of gases that surrounds Earth is called the
a) climate.
b) atmosphere.
c) ecosystem.
d) water.
Which is NOT an abiotic factor in an ecosystem?
a) Animals
b) Water
c) Sunlight
d) Oxygen
Which is NOT a biotic factor?
a) Insects
b) Soil
c) Animals
d) Plants
All living and nonliving things in the environment is a(n)
a) ecosystem.
b) population.
c) community.
d) climate.
The living organisms in an ecosystem are the
a) climate factors.
b) biotic factors.
c) abiotic factors.
d) soil factors.
The nonliving parts of an ecosystem is
a) climate factors.
b) biotic factors.
c) abiotic factors.
d) soil factors.
The source of almost all energy on Earth is
a) water.
b) temperature.
c) soil.
d) sun.
What requires all life requires it, most organisms are made of it, and it's needed for life processes?
a) Water
b) Sun
c) Oxygen
d) Climate
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