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Population, Community, Ecosystem, and Organism Concepts

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is a population?

a)

All the types of different animals that live in the same place

b)

All of the organisms of the same species that live in the same place

c)

All the living and nonliving things that live in the same place

d)

Any living thing

2.

What is a community?

a)

All the types of different animals that live in the same place

b)

All of the organisms of the same species that live in the same place

c)

All the living and nonliving things that live in the same place

d)

Any living thing

3.

What is an organism?

a)

All the types of different animals that live in the same place

b)

All of the organisms of the same species that live in the same place

c)

All the living and nonliving things that live in the same place

d)

Any living thing

4.

What is an ecosystem?

a)

All the types of different animals that live in the same place

b)

All of the organisms of the same species that live in the same place

c)

All the living and nonliving things that live in the same place

d)

Any living thing

5.

Which is an example of a community?

a)

A snowshoe hare

b)

All the foxes in a forest

c)

The fish, seaweed, and clams living in a coral reef.

d)

The cactus, sand, snakes, and wind in a desert.

6.

Which is an example of an ecosystem?

a)

A snowshoe hare

b)

All the foxes in a forest

c)

The fish, seaweed, and clams living in a coral reef.

d)

The cactus, sand, snakes, and wind in a desert.

7.

Which is an example of a population?

a)

A snowshoe hare

b)

All the foxes in a forest

c)

The fish, seaweed, and clams living in a coral reef.

d)

The cactus, sand, snakes, and wind in a desert.

8.

Which is an example of an organism?

a)

A snowshoe hare

b)

All the foxes in a forest

c)

The fish, seaweed, and clams living in a coral reef.

d)

The cactus, sand, snakes, and wind in a desert.

9.

Which of the following is an example of a nonliving component in an ecosystem?

a)

Bacteria living in a puddle

b)

A dead tree

c)

Rocks at the bottom of a stream

d)

A wild blueberry bush

10.

Energy in an ecosystem comes from...

a)

Consumers eating other animals

b)

Plants completing the process of photosynthesis

c)

The sun's rays

d)

Decomposers returning energy to the soil

11.

How is energy returned to the soil in an ecosystem?

a)

Animals producing waste

b)

Decomposers breaking down dead plants and animals

c)

Plants transfer it through their roots after photosynthesis

d)

Energy is not returned to the soil

12.

What is the role of the grass in this ecosystem?

a)

To complete photosynthesis using the sun's rays

b)

To be eaten by the owl

c)

To be a producer and be eaten by the grasshopper

d)

To get energy from the mushrooms

13.

What is the niche of the snake in this ecosystem?

a)

To be decomposed by the mushroom

b)

To be eaten by the owl

c)

To eat the grasshopper

d)

The snake has no niche.

14.

In the following food web, what would happen if the population of mice decreased?

a)

The rabbit population would also decrease

b)

The population of grass would grow

c)

All the snakes would die

d)

The owls would have less food

15.

Which two animals are competing for food?

a)

Bird and owl

b)

Fox and hawk

c)

Snake and rabbit

d)

Hawk and frog

16.

Which of these is NOT a requirement for an animals' habitat?

a)

Food

b)

Space

c)

The sun

d)

Water

17.

True or false: an organism's niche can change during it's life cycle.

a)

True

b)

False

18.

Which of these is an example of a consumer?

a)

Owl

b)

Pine tree

c)

Water

d)

Rose bush

19.

Which of these is an example of a decomposer?

a)

Owl

b)

Bacteria

c)

Water

d)

Rose bush

20.

Which of these is an example of a producer?

a)

Owl

b)

Bacteria

c)

Water

d)

Rose bush