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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
Rainforest
C
Lake
D
Grassland
2) An ecosystem is made up of
A
only living things
B
neither
C
only nonliving things
D
both living and nonliving things
3) Terrestrial ecosystems are
A
ecosystems that do not have people living in them.
B
land-based.
C
water-based.
D
ecosystems made by people.
4) A body of water in which freshwater from a river meets and mixes with salt water from the ocean is called
A
a salt marsh
B
a lake
C
an estuary
D
a terrestrial ecosystem
5) A rise or fall of ocean water is called
A
a pond.
B
a salt marsh.
C
an aquatic ecosystem.
D
a tide.
6) A living thing that makes its own food is called
A
a photosynthesis
B
a decomposer
C
a producer
D
an herbivore
7) For plants to make food through photosynthesis they need
A
all of the above
B
sunlight
C
carbon dioxide
D
water
8) A living thing that gets energy by eating other living things is called
A
an omnivore
B
a producer
C
a carnivore
D
a consumer
9) Consumers that eat both plants and animals are called
A
decomposers
B
producers
C
herbivores
D
omnivores
10) A living thing that gets energy by breaking down wastes and dead plants and animals is called
A
a carnivore
B
a decomposer
C
an herbivore
D
a consumer
11) A food chain is a model that shows
A
the path of energy as it flows from one living thing to the next.
B
how the amount of energy left for consumers changes as the energy moves through a food web.
C
several food webs that connect together.
D
how plants use energy from the sun to make their own food.
12) Animals that hunt other animals for food are called
A
prey.
B
omnivores.
C
decomposers.
D
predators.
13) The animals that are hunted are called
A
estuaries.
B
omnivores.
C
prey
D
carnivores.
14) What do plants give off into the air that animals need?
A
pollen
B
oxygen
C
carbon dioxide
D
sunlight
15) How do animals help plants reproduce?
A
by building nests in trees
B
by adding nutrients to soil
C
by spreading seeds
D
by eating the leaves of plants
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
Only the consumers in the food web will be affected.
C
Only the other producers in the food web will be affected.
D
Many other organisms in the food web will be affected.
17) Which of these organisms are decomposers?
A
lions
B
wolves
C
trees
D
bacteria
18) Which type of animal eats only or mostly plants?
A
omnivore
B
herbivore
C
producer
D
carnivore
19) Which statement describes a relationship between a consumer and a producer?
A
a fungus breaks down a dead tree.
B
a large fish eats a small fish.
C
a fox eats a chipmunk.
D
a chipmunk eats wild berries.
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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