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Chapter 3 Ecosystems Lesson 3

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

environment

a)

all of the conditions surrounding an organism

b)

the struggle of organisms for the same limited resources

c)

available supplies of food, water, sunlight and space in an environment

2.

competition

a)

all of the conditions surrounding an organism

b)

the struggle of organisms for the same limited resources

c)

available supplies of food, water, sunlight, and space in an environment

3.

Available supplies of food, water, sunlight, and space in an environment

a)

environment

b)

resources

c)

competition

4.

A disease that wiped out the rabbit population in an environment would affect the coyote population in the same environment.

a)

true

b)

false

5.

Which are some slow changes to an environment?

a)

climate change

b)

seasons

c)

continent shifts

d)

all of the above

6.

Which is considered a fast change to an environment?

a)

volcanoes

b)

seasons

c)

climate change

d)

weathering and erosion

7.

Do you think plants and animals can adapt more easily to slow changes or fast changes?

a)

slow

b)

fast

8.

Forest fire is an example of a

a)

slow change

b)

fast change

9.

How do swarms of locusts affect their environment?

a)

They do not affect the environment.

b)

They eat almost all the plant matter, affecting the animals that eat the plants.

c)

They eat all the animals and plants in the enviornment

10.

Pollution, over hunting, over population, deforestation and more are all examples of

a)

changes caused by organisms

b)

fast changes

c)

slow changes

d)

changes caused by humans

11.

Plants absorb carbon dioxide from the air and release oxygen for us to breathe.

a)

false

b)

true

12.

What resources that animals need disappear in a forest fire?

a)

shelter and food

b)

food

c)

shelter and friends

13.

What happens when an organism cannot compete successfully?

a)

nothing, they will be fine

b)

it will die

c)

it will either have to adapt, move or it will die

14.

In an environment resources are

a)

plentiful

b)

limited

15.

A forest fire clears out the forest floor, giving plants more living space and more sunlight

a)

false

b)

true