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Ecosystems Test Review

Total questions: 24

Worksheet time: 31mins

Name
Class
Date
1.
Matter moves from producers to consumers and to decomposers. Which of the following is true?
a)

A. Matter can move only from plant to plant in an ecosystem.

b)

B. Matter cycles only when sunlight is available.

c)

C. Cycling of matter is constantly occurring in every ecosystem.

d)

D. Only animals can cause matter to cycle through an ecosystem.

2.
Which natural matter can be recycled by living organisms in an ecosystem?
a)

A. aluminum foil

b)

B. glass bottles

c)

C. plastic wrap

d)

D. bird carcasses

3.
Which of the following is true of consumers?
a)

A. Consumers cannot make their own food.

b)

B. Some consumers can use producers as food.

c)

C. Some consumers can use other consumers as food.

d)

D. all of these

4.
The Sun provides energy. Plants use the energy to make food. How do animals get energy?
a)

A. All animals get energy by hibernating.

b)

B. Animals absorb the Sun's energy and make their own food.

c)

C. Animals get energy by eating the plants.

d)

D. Animals do not need energy.

5.
An organism that makes its own food is known as a _______.
a)

A. producer

b)

B. decomposer

c)

C. consumer

d)

D. carnivore

6.
Producers are usually the first organisms listed in a food chain. They provide energy to the other organisms in the food chain. Producers get energy from _______.
a)

A. water

b)

B. the Sun

c)

C. eating animals

d)

D. eating plants

7.
Which correctly shows how energy cycles in an ecosystem?
a)

A. Producers ->Decomposers-> Consumers-> Sun

b)

B. Sun->Producers->Consumers->Decomposers

c)

C. Decomposers->Sun->Consumers->Producers

d)

D. Consumers->Sun->Producers->Decomposers

8.
An ________ is all the living and nonliving things that exist and interact in one place.
a)

A. abiotic

b)

B. biotic

c)

C. ecosystem

d)

D. decomposer

9.
In an ecosystem, every living thing has a specific ______ .
a)

A. role

b)

B. plant

c)

C. animal

d)

D. obstacle

10.
________ play the role of decomposers.
a)

A. earthworms

b)

B. rats

c)

C. water

d)

D. plants

11.
A producer is a living thing that makes its ________.
a)

A. water

b)

B. air

c)

C. food

d)

D. money

12.
__________ are consumers.
a)

A. plants

b)

B. water

c)

C. animals

d)

D. trees

13.
All consumers depend on __________ for food.
a)

A. producers

b)

B. meat

c)

C. trees

d)

D. fish

14.
Goldenseal is an endangered species of plant that is eaten by slugs. Which of these is most likely to occur if goldenseal becomes extinct?
a)

A. More energy will be available to slugs.

b)

B. The number of slugs in the population will increase.

c)

C. More energy will be available to birds that eat slugs.

d)

D. The slugs will have to use a different source of energy.

15.
What tends to happen to a population of animals when food is plentiful or overabundant?
a)

A. The animal population increases.

b)

B. The animal population becomes extinct.

c)

C. The animal population decreases.

d)

D. The animal population stays the same.

16.
In a pond ecosystem, what would happen to frogs if the insect population decreased?
a)

A. There would be more frogs in the pond.

b)

B. There would be more insects in the pond.

c)

C. There would be less frogs in the pond.

d)

D. More fish would move to the pond.

17.
An area is affected by flooding. The flooding destroys a certain type of plant. This plant is no longer a part of that ecosystem. Which of the following is true?
a)

A. The loss of a single type of plant will not affect an ecosystem.

b)

B. Only the animals that eat this plant will be affected.

c)

C. Only the other types of plants will be affected.

d)

D. Many parts of the ecosystem may be affected by the loss of this type of plant.

18.
A fire destroys the trees in an environment. What can be a result of having fewer trees?
a)

A. Less carbon dioxide is produced.

b)

B. Less oxygen is produced.

c)

C. There is more shade.

d)

D. More oxygen is produced.

19.
Which of the following is a producer?
a)
A
b)
B
c)
C
d)
D
20.
Which of the following describes a path of energy flow through this food web?
a)

A. wolf -> plant -> deer

b)

B. plant -> hare -> deer

c)

C. cougar -> hare -> wolf

d)

D. plant -> hare -> cougar

21.
Which of the following would have a negative impact on an ecosystem?
a)

A. controlling erosion

b)

B. planting trees

c)

C. recycling paper

d)

D. constructing highways

22.
Which of the statements below is true based on this data?
a)

A. There was less grass before the shopping center was built.

b)

B. There were more kinds of plants before the shopping center was built.

c)

C. There were more kinds of plants after the shopping center was built.

d)

D. Humans did not change the environment.

23.
Describe the changes in an ecosystem when plants or animals become scarce, extinct, and overabundant.
4 lines
24.
Describe the roles of producers, consumers, and decomposers in a community.
4 lines

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