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Worksheets

Populations & Resources

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

What do moon jellies eat?

a)

Zooplankton

b)

Algae

c)

Kelp

2.

Why might our moon jellies be increasing?

a)

Sea turtles are decreasing.

b)

Sea turtles are staying the same.

c)

Sea turtles are increasing.

3.

What does the walleye pollock eat?

a)

Algae

b)

Moon Jellies

c)

Kelp

d)

Zooplankton

4.

What is it called when two species eat the same food source?

a)

Decreasing

b)

Competition

c)

Cause and Effect

d)

Energy Battle

5.

How has the moon jelly population changed?

a)

Increased.

b)

Decreased.

c)

Stayed the same.

6.

What's a predator of moon jellies?

a)

Sea Turtle

b)

Orca

c)

Algae

d)

Walleye Pollock

7.

If an animal's resource population decreases, what happens to the animal's population?

a)

Stays stable.

b)

Decreases.

c)

Increases.

d)

It's magic.

8.

If an animal's resource population increases, what happens to the animal's population?

a)

Stays stable.

b)

Decreases.

c)

Increases.

d)

It's magic.

9.

What do you call the variable in an experiment that you directly change?

a)

Independent Variable

b)

Dependent Variable

10.

What do you call the variable in an experiment that changes as a result of your change?

a)

Independent Variable

b)

Dependent Variable

11.

What was the independent variable in our yeast experiment?

a)

The amount of CO2 bubbles.

b)

The amount of sugar.

12.

What was the dependent variable in our yeast experiment?

a)

The amount of CO2 bubbles.

b)

The amount of sugar.

13.

Reproduction does not use a lot of energy.

a)

True

b)

False.

14.

Explain this food web with the BEST answer: Snake -> Owl

a)

The snake eats the owl.

b)

The owl eats the snake.

c)

The owl gets energy from the snake when it eats it.

d)

The snake gets energy from the owl when it eats it.