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Chapter 18.2 Review (7th)
Test Description: Living things need energy
Instructions: Answer all questions to get your test result.
1) An organism that eats both plants and animals
A
consumer
B
herbivore
C
omnivore
D
carnivore
2) A diagram that shows the feeding relationships between organisms in an ecosystem
A
energy web
B
food web
C
energy pyramid
D
food chain
3) An organism that eats animals
A
decomposer
B
carnivore
C
omnivore
D
consumer
4) Organisms that eat other organisms. They cannot use the sun’s energy to make food like producers can. Instead, they eat producers or other animals to obtain energy
A
consumers
B
carnivores
C
producers
D
omnivores
5) Herbivores, carnivores, and scavengers are all examples of
A
producers
B
decomposers
C
consumers
D
omnivores
6) Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of
A
an abiotic element
B
an omnivore
C
a food chain
D
a herbivore
7) To survive, living things need
A
species.
B
energy.
C
grasslands.
D
clothing.
8) Organisms that use sunlight to make food are called
A
algae
B
producers
C
photosynthesis
9) The process of making sunlight into food is called
A
algae
B
photosynthesis
C
producers
10) Plants, _____________________, and some bacteria are producers.
A
producers
B
photosynthesis
C
algae
11) How is a food web different from a food chain?
A
A food web shows more relationships.
B
A food web has spiders.
C
A food web is smaller.
D
A food web is simple.
12) How can the absence of wolves affect elk populations?
A
the elk die out
B
the elk overgraze the grass
C
the elk eat more animals
D
the elk leave the wilderness
13) Why were gray wolves brought back to Yellowstone National Park?
A
to eat the cows and sheep
B
to restore the natural energy flow
C
to keep the grass from taking over
D
to help the elk
14) What kind of elk do wolves kill?
A
the old, injured, and diseased
B
the energetic and fast
C
the strong and healthy
D
the smart and quick
*select an answer for all questions
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