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Popuations and Ecosystems Review

Authored by lora thompson

Science

7th Grade

Used 21+ times

Popuations and Ecosystems Review
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18 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which statement describes an interaction between plants and animals?

Plants produce CO2 for humans to breathe.

Humans exhale CO2 for plants to use.

Plants provide atmospheric nitrogen for humans.

Humans release oxygen for plants to use.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which process removes carbon from the atmosphere?

burning

photosynthesis

respiration

decomposition

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which cycle is most directly related to the combustion of fossil fuels?

rock cycle

water cycle

carbon cycle

nitrogen cycle

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Organisms from which niche contain the greatest amount of energy?

producers

decomposers

primary consumers

secondary consumers

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How does nitrogen from the atmosphere become beneficial to plants?

nitrogen must be mixed in the soil by earthworms.

Nitrogen must be converted into a useful form by bacteria.

Nitrogen must come in contact with decaying organic material.

Nitrogen must come in contact with the ground through rainfall.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How do most nutrients get back into the soil in the forrest?

organic matter is recycled from dead organisms.

humans apply fertilizers.

Solar radiation reaches the ground.

Rainwater drips off living organisms.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which process of the water cycle transports water from plants to clouds?

precipitation

condensation

transpiration

sublimation

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