wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Unit 3-1 Quiz: Relationships in Ecosystems - Elijah Biddle

Total questions: 11

Worksheet time: 7mins

Name
Class
Date
1.

How does density affect the growth of a population?

a)

The higher the density, the MORE competition for resources and the lower the density, the LESS competition for resources.

b)

The higher the density, the LESS competition for resources and the lower the density, the MORE competition for resources.

c)

The ocean ecosystem will get hotter.

d)

The more dense the less animals.

2.

What happens to an ecosystem when a population becomes overpopulated?

a)

Organisms that rely on the same resources as the overpopulated organism will stay the same.

b)

Organisms that rely on the same resources as the overpopulated organism will increase.

c)

Organisms that rely on the same resources as the overpopulated organism will decrease.

d)

Nothing will happen

3.

If producers were to increase in an ecosystem, how will that affect the other trophic levels?

a)

The wildlife will die.

b)

Organisms in the other trophic levels will increase.

c)

Organisms in the other trophic levels will decrease.

d)

The world will become overpopulated.

4.

If an organism in an ecosystem is using resources, what does that do for resource availability for other organisms?

a)

Nothing will happen

b)

Everything will die

c)

The amount of resources available to other organisms in that ecosystem increase.

d)

The amount of resources available to other organisms in that ecosystem decrease.

5.

What would happen if abiotic factors were removed from an ecosystem?

a)

Producers would grow better making more oxygen for the animals in the ecosystem.

b)

Producers would grow worse making less oxygen for the animals in the ecosystem.

c)

Producers would grow worse making more oxygen for the animals in the ecosystem.

d)

The producers would die.

6.

What best describes the niche of this organism?

a)

Scanvenger

b)

Producer

c)

Decomposer

d)

Grazer

7.

What best describes the niche of this organism?

a)

Grazer

b)

Producer

c)

Decomposer

d)

Plant

8.

What would happen if two species lived in the same niche in a community for a very long time?

a)

The two species would have to move to a new ecosystem.

b)

The two species would reach equilibrium and be just fine.

c)

The two species would compete with each other and eventually one would die off.

d)

The two species would eat each other and die off.

9.

What would be a limiting factor for the producers in this ecosystem?

a)

Water

b)

The Sun

c)

Sand

d)

Plants

10.

What would be an example of Mutualism

a)

A bee pollinating a flower

b)

A lion eating a deer

c)

A human loving a dog

d)

Two bears reproducing

11.

What would be an example of parasitism?

a)

A bee stinging a human

b)

A hookworm eating the food from your stomach

c)

Two plants reproducing

d)

A lion and a coyote fighting for food