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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
omnivore
C
herbivore
D
carnivore
2) A diagram that shows the feeding relationships between organisms in an ecosystem
A
energy pyramid
B
food web
C
energy web
D
food chain
3) An organism that eats animals
A
decomposer
B
consumer
C
omnivore
D
carnivore
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
carnivores
B
producers
C
consumers
D
omnivores
5) Herbivores, carnivores, and scavengers are all examples of
A
consumers
B
producers
C
omnivores
D
decomposers
6) Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of
A
an omnivore
B
a food chain
C
an abiotic element
D
a herbivore
7) To survive, living things need
A
clothing.
B
species.
C
grasslands.
D
energy.
8) Organisms that use sunlight to make food are called
A
producers
B
algae
C
photosynthesis
9) The process of making sunlight into food is called
A
producers
B
algae
C
photosynthesis
10) Plants, _____________________, and some bacteria are producers.
A
algae
B
photosynthesis
C
producers
11) How is a food web different from a food chain?
A
A food web is smaller.
B
A food web shows more relationships.
C
A food web is simple.
D
A food web has spiders.
12) How can the absence of wolves affect elk populations?
A
the elk leave the wilderness
B
the elk die out
C
the elk eat more animals
D
the elk overgraze the grass
13) Why were gray wolves brought back to Yellowstone National Park?
A
to keep the grass from taking over
B
to eat the cows and sheep
C
to restore the natural energy flow
D
to help the elk
14) What kind of elk do wolves kill?
A
the old, injured, and diseased
B
the strong and healthy
C
the energetic and fast
D
the smart and quick
*select an answer for all questions
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