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Ecology Topic Test

Total questions: 22

Worksheet time: 21mins

Name
Class
Date
1.

Which of the choices below best explains a community?

a)

An environment with abiotic factors added

b)

A small habitat

c)

All of the abiotic and biotic factors in an area

d)

All of the different populations that live together

2.

Decomposers and scavengers get rid of the garbage and waste in an ecosystem. Decomposers differ from scavengers because they -

a)

Only eat dead organisms

b)

Break down dead plants and animals

c)

Do not eat dead plants and animals

d)

Break down dead animals

3.

Which of the following organisms obtain their nutrients by eating producers and meat?

a)

Omnivores

b)

Herbivores

c)

Carnivores

d)

Detrivores

4.

Which of the following is not one of the 5 basic needs of a living organism?

a)

Sun

b)

Water

c)

Habitat

d)

Competition

5.

The ingredients for photosynthesis include:

a)

Sunlight, sugar, oxygen

b)

Nutrients, water, carbon dioxide

c)

Sunlight, water, nutrients

d)

Sunlight, water, carbon dioxide

6.

Found inside the cells of plants and captures sunlight for photosynthesis

a)

Glucose

b)

Chloroplast

c)

Carbon dioxide

d)

Producers

7.

Some living things depend on each other in a very close relationship, which lasts over time. This relationship is called…

a)

Partnership

b)

Mutualism

c)

Symbiosis

d)

Commensalism

8.

A population is a group of organisms of the same species living in an area.

a)

True

b)

False

c)

Can be true or false

9.

A scavengers role is to break down dead organisms into abiotic elements.

a)

True

b)

False

c)

Can be true or false

10.

Herbivores use photosynthesis to make food.

a)

True

b)

False

c)

Can be true or false

11.

A bee getting pollen from a flower is an example of an abiotic-biotic interaction.

a)

True

b)

False

c)

Can be true or false

12.

A caribou is hunted by a wolf. The caribou is an example of a predator.

a)

True

b)

False

c)

Can be true or false

13.

An ecosystem contains only biotic factors.

a)

True

b)

False

14.

In a parasitic relationship, the parasite benefits and the host is harmed.

a)

True

b)

False

15.

Wind blows against the surface of a lake to create waves

a)

Abiotic-Abiotic Relationship

b)

Abiotic-Biotic Relationship

c)

Biotic-Biotic Relationship

16.

An ant uses pieces of rock and sand to make an ant hill

a)

Abiotic-Abiotic Relationship

b)

Abiotic-Biotic Relationship

c)

Biotic-Biotic Relationship

17.

A squirrel collects acorns for the winter

a)

Abiotic-Abiotic Relationship

b)

Abiotic-Biotic Relationship

c)

Biotic-Biotic Relationship

18.

The sun melts the polar ice caps

a)

Abiotic-Abiotic Relationship

b)

Abiotic-Biotic Relationship

c)

Biotic-Biotic Relationship

19.

Seaweed uses the light from the sun to make food through photosynthesis

a)

Abiotic-Abiotic Relationship

b)

Abiotic-Biotic Relationship

c)

Biotic-Biotic Relationship

20.

Bed bugs bite humans and feed off their blood, which leaves itchy red papules.

a)

Predation

b)

Parasitism

c)

Mutualism

d)

Commensalism

e)

Competition

21.

Oxpeckers’, a type of bird, land on rhinos or zebras and eat ticks and other parasites that live on their skin. The Oxpeckers’ get food and the beasts get pest control.

a)

Predation

b)

Parasitism

c)

Mutualism

d)

Commensalism

e)

Competition

22.

There is a drought or “lack of rain” in the western provinces one year. This means there is less water available to the organisms already living in the ecosystem.

a)

Predation

b)

Parasitism

c)

Mutualism

d)

Commensalism

e)

Competition