Indiana Science Grade 7

Chapter 7: Interactions of Living Things

Section 1 Self-Check Quiz-Eng.

1.
Which one of the following would be an abiotic factor in an environment?
A)decaying logs in a forest
B)fish in an ocean
C)total rainfall in a desert
D)bees in a garden
2.
Which abiotic factor limits plant growth on the forest floor?
A)temperature
B)air
C)water
D)sunlight
3.
The bodies of most organisms are 50 percent to 95 percent ________.
A)air
B)water
C)energy
D)sugar
4.
Soil type is determined by the amounts of __________ it contains.
A)sand, humus, and clay
B)oxygen, nitrogen, and carbon dioxide
C)insects, worms, and bacteria
D)gravel, wood, and water
5.
The __________ is a layer of gases and airborne particles that surrounds Earth.
A)atmosphere
B)weather
C)biome
D)biosphere
6.
Which one of the following could be compared in thickness to the skin of an apple?
A)a tropical rain forest
B)Earth's biosphere
C)an ecosystem
D)a biome
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