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Ecosystems
Test Description: This is a review of vocabulary in the ecosystems unit.
Instructions: Answer all questions to get your test result.
1) An ecosystem with fertile soil covered by tall grasses is a
A
Desert
B
Grassland
C
Lake
D
Rainforest
2) An ecosystem is made up of
A
only living things
B
both living and nonliving things
C
neither
D
only nonliving things
3) Terrestrial ecosystems are
A
water-based.
B
land-based.
C
ecosystems made by people.
D
ecosystems that do not have people living in them.
4) A body of water in which freshwater from a river meets and mixes with salt water from the ocean is called
A
a terrestrial ecosystem
B
an estuary
C
a salt marsh
D
a lake
5) A rise or fall of ocean water is called
A
a pond.
B
a tide.
C
an aquatic ecosystem.
D
a salt marsh.
6) A living thing that makes its own food is called
A
a producer
B
an herbivore
C
a decomposer
D
a photosynthesis
7) For plants to make food through photosynthesis they need
A
carbon dioxide
B
water
C
all of the above
D
sunlight
8) A living thing that gets energy by eating other living things is called
A
a consumer
B
a producer
C
an omnivore
D
a carnivore
9) Consumers that eat both plants and animals are called
A
decomposers
B
herbivores
C
producers
D
omnivores
10) A living thing that gets energy by breaking down wastes and dead plants and animals is called
A
an herbivore
B
a decomposer
C
a carnivore
D
a consumer
11) A food chain is a model that shows
A
how the amount of energy left for consumers changes as the energy moves through a food web.
B
how plants use energy from the sun to make their own food.
C
the path of energy as it flows from one living thing to the next.
D
several food webs that connect together.
12) Animals that hunt other animals for food are called
A
decomposers.
B
prey.
C
omnivores.
D
predators.
13) The animals that are hunted are called
A
prey
B
estuaries.
C
carnivores.
D
omnivores.
14) What do plants give off into the air that animals need?
A
oxygen
B
pollen
C
sunlight
D
carbon dioxide
15) How do animals help plants reproduce?
A
by adding nutrients to soil
B
by eating the leaves of plants
C
by spreading seeds
D
by building nests in trees
16) If one kind of producer is removed from an ecosystem's food web, what will MOST LIKELY happen?
A
None of the other organisms in the food web will be affected.
B
Many other organisms in the food web will be affected.
C
Only the other producers in the food web will be affected.
D
Only the consumers in the food web will be affected.
17) Which of these organisms are decomposers?
A
bacteria
B
trees
C
wolves
D
lions
18) Which type of animal eats only or mostly plants?
A
carnivore
B
omnivore
C
producer
D
herbivore
19) Which statement describes a relationship between a consumer and a producer?
A
a chipmunk eats wild berries.
B
a fox eats a chipmunk.
C
a large fish eats a small fish.
D
a fungus breaks down a dead tree.
20) In which ecosystem will you MOST LIKELY find bison, prairie dogs, and woody shrubs?
A
salt marsh
B
forest
C
pond
D
grassland
*select an answer for all questions
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