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Environmental Science 1
Test Description: MC questions to review for a test over environmental science.
Instructions: Answer all questions to get your test result.
1) What is reproduction?
A
An organism makes a nest or a place to live.
B
An organism makes other organisms similar to itself.
C
An organism communicates with others.
D
An organism senses change.
2) What is one thing all living things do.
A
Grow and develop.
B
they sing science songs.
C
They shrink.
D
they run.
3) What is a producer?
A
Another name for a cell.
B
An organism that communicates.
C
a type of bird.
D
An organism that makes its own food from sunlight, water, and carbon dioxide.
4) What is carrying capacity?
A
The speed that an organism can run while carrying its prey.
B
The largest population an environment can support.
C
How much weight an anuimal can lift.
D
The weight of an organisms body.
5) A wolf eats a rabbit. Who is the predator?
A
The rabbit
B
both the wolf and the rabbit.
C
The wolf
D
Neither the wolf or the rabbit.
6) What type of bacteria breaks down organic matter and returns it to the environmnt as carbon dioxide and water?
A
plankton
B
nitrogn fixing bacteria
C
algae
D
decomposing bacteria
7) Why do living things need nitrogen?
A
to make proteins and DNA
B
to get energy
C
to move
D
to breathe
8) How do organisms get nitrogen?
A
by exercising
B
by breathing air
C
by drinking water
D
by eating plants or animals that eat plants.
9) How does nitrogen fixation ocurr?
A
by sunlight
B
by worms in the soil
C
by fungi in the soil
D
By nitrogen fixing bacteria on the roots of certain plants
10) How does nitrogrn fixation occurr?
A
by fungi
B
sunlight
C
lightning
D
by trees
*select an answer for all questions
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