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Ecosystem

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

Fungi and bacteria are considered

a)

producers

b)

consumers

c)

decomposers

d)

omnivores

2.

Organisms that produce their own food are ______.

Choose all that apply.

a)

producers

b)

plants

c)

consumers

d)

carnivores

3.

Organisms that cannot produce their own food and have to eat other living things are ______.

Choose all that apply.

a)

producers

b)

plants

c)

consumers

d)

animals

4.

Consumers that eat only plants are called __________.

Choose all that apply.

a)

primary consumers

b)

herbivores

c)

secondary consumers

d)

carnivores

e)

omnivores

5.

Consumers that eat only other animals are called __________.

Choose all that apply.

a)

primary consumers

b)

herbivores

c)

secondary consumers

d)

carnivores

e)

omnivores

6.

Consumers that eat both plants and other animals are called __________.

a)

primary consumers

b)

herbivores

c)

secondary consumers

d)

carnivores

e)

omnivores

7.

How do animals get the energy they need?

a)

from the sun

b)

from eating other organisms

c)

by producing their own energy

d)

by absorbing chemicals through their skin

8.

Which of the following are types of fungi?

Choose all that apply.

a)

molds

b)

yeasts

c)

mushrooms

d)

bacteria

e)

plants

9.

Which of the following is true about the food web?

a)

The fruit fly is a primary consumer.

b)

The python is at the top of the food chain

c)

The frog is an herbivore

d)

The dragonfly is a primary consumer

10.

Which of the following is true about the food web?

a)

The rat is an herbivore.

b)

The wolf is at the top of the food chain

c)

The flowering plant produces its own food

d)

The butterfly is an omnivore

11.

What is the role of a decomposer?

a)

To create energy from the sun.

b)

To recycle dead material back into the ecosystem.

c)

To break down large living organisms into smaller pieces.

d)

To create oxygen for animals.

12.

The Law of the Conservation of Mass says that

a)

mass cannot be created, but can be destroyed

b)

mass can be created, but not destroyed

c)

mass cannot be created, but can be destroyed

d)

mass can neither be created nor destroyed

13.

What could happen if a region experiences overhunting?

a)

an increase in prey

b)

extinction of a certain species

c)

a balanced population

d)

a rise in population of all animals

14.

All living things, including plants and animals, are made up primarily of ______.

Choose all that apply.

a)

carbon

b)

water

c)

carbon dioxide

d)

oxygen

e)

sugar

15.

Which of the following is important in a healthy ecosystem?

a)

balance of organisms

b)

too many of one organism

c)

too few of one organism

16.

What could happen if there is an overpopulation of a certain species in a region?

a)

too much competition for resources

b)

less competition for resources

c)

a balanced population

d)

a healthy ecosystem

17.

All the energy that is transferred through a food web comes from ______.

a)

herbivores

b)

plants

c)

fungi

d)

carnivores

18.

Which of the following are factors that affect the rate of decomposition?

Choose all that apply.

a)

temperature

b)

oxygen

c)

water

d)

carbon dioxide

e)

whether it is a plant or animal

19.

Which of the following are factors that affect the rate of decomposition?

Choose all that apply.

a)

size

b)

preservatives

c)

area where the object is resting

d)

whether it is a consumer or producer

e)

where it is on the food web

20.

Organisms that can naturally be found in a particular ecosystem is called a _______.

a)

alien species

b)

invasive species

c)

native species

d)

original species

21.

A species that is newly introduced to an area is called an _______.

a)

alien species

b)

invasive species

c)

native species

d)

new species

22.

Which of the following is true about the food web?

a)

The Grasshopper is an omnivore.

b)

The Thrush is at the top of the food chain

c)

The Frog is a primary consumer

d)

The Butterfly is an herbivore.

23.

Which of the following is true about the food web?

a)

The Rat gets its energy from the Python.

b)

The Dragonfly gets its energy from the Frog

c)

The Wolf gets its energy from the Eagle.

d)

The Frog gets its energy from the Butterfly.

24.

Which describes the cycle of matter?

a)

Matter is constantly being created and destroyed

b)

Matter is constantly being created, but can't be destroyed

c)

Matter is constantly moving between the environment, plants, animals, and microbes

d)

Matter is constantly destroyed, but cannot be created