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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
Rainforest
B
Desert
C
Grassland
D
Lake
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
water-based.
B
land-based.
C
ecosystems that do not have people living in them.
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 tide.
B
a salt marsh.
C
an aquatic ecosystem.
D
a pond.
6) A living thing that makes its own food is called
A
a producer
B
a photosynthesis
C
an herbivore
D
a decomposer
7) For plants to make food through photosynthesis they need
A
all of the above
B
carbon dioxide
C
sunlight
D
water
8) A living thing that gets energy by eating other living things is called
A
a producer
B
a consumer
C
a carnivore
D
an omnivore
9) Consumers that eat both plants and animals are called
A
herbivores
B
omnivores
C
producers
D
decomposers
10) A living thing that gets energy by breaking down wastes and dead plants and animals is called
A
an herbivore
B
a carnivore
C
a consumer
D
a decomposer
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
several food webs that connect together.
C
the path of energy as it flows from one living thing to the next.
D
how plants use energy from the sun to make their own food.
12) Animals that hunt other animals for food are called
A
decomposers.
B
predators.
C
omnivores.
D
prey.
13) The animals that are hunted are called
A
estuaries.
B
prey
C
carnivores.
D
omnivores.
14) What do plants give off into the air that animals need?
A
carbon dioxide
B
sunlight
C
oxygen
D
pollen
15) How do animals help plants reproduce?
A
by spreading seeds
B
by building nests in trees
C
by eating the leaves of plants
D
by adding nutrients to soil
16) If one kind of producer is removed from an ecosystem's food web, what will MOST LIKELY happen?
A
Many other organisms in the food web will be affected.
B
None of the 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
trees
B
wolves
C
lions
D
bacteria
18) Which type of animal eats only or mostly plants?
A
omnivore
B
carnivore
C
herbivore
D
producer
19) Which statement describes a relationship between a consumer and a producer?
A
a large fish eats a small fish.
B
a fungus breaks down a dead tree.
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
grassland
B
pond
C
salt marsh
D
forest
*select an answer for all questions
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