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Ecosystems!!!

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

What is an ECOSYSTEM?

4 lines
2.

 

What are the two main parts of an

ECOSYSTEM?

a)

Animals and plants.

b)

Biotic and abiotic.

c)

Living and non living things.

d)

Habitat and weather.

3.

Where  does  the energy of most of the ecosystems come from?

a)

Batteries.

b)

Air.

c)

Electricity.

d)

Sun.

4.

What are the different types of ecosystems?

a)

Freshwater and

Marine ecosystem.

b)

Forest and

Grassland ecosystem.

c)

Terrestrial and aquatic ecosystem.

d)

Desert and marine ecosystem.

5.

Mention two Terrestrial ecosystems and two Aquatic ecosystems.

4 lines
6.

What are the functional components of an ecosystem?

a)

Productivity.

b)

Energy flow and Nutrient cycling.

c)

Decomposition.

d)

All of the above

7.

Which is the largest ecosystem in the world?

a)

The aquatic ecosystem.

b)

The terrestrial ecosystem.

c)

Both terrestrial and aquatic.

d)

Grassland ecosystem

8.

Mention 5 Abiotic factors.

4 lines
9.

Mention 5 Biotic factors.

4 lines
10.

What do non-living things in an ecosystem include?

a)

temperature, sunlight, plants and animals.

b)

Rocks, soil, temperature and water.

c)

Air, wind, water, rocks, soil, temperature and sunlight.

d)

Air, wind, clouds, rain and water.

11.

What is a Food Chain?

a)

An organism of higher level trophic feeds on a specific organism of lower trophic level.

b)

A linear pathway showing the flow of energy

c)

Both of them.

d)

None is correct.

12.

Which of these are examples of man-made ecosystem?

a)

Aquarium.

b)

Crop field.

c)

Wetland.

d)

Both (A) and (B)

13.

An ecosystem includes:

a)

All living organisms.

b)

Non-living objects.

c)

Both living organisms and non-living objects.

d)

Sometimes living organisms and sometimes non-living objects.

14.

A change in the temperature of an ecosystem will often affect what plants will grow there.

a)

True.

b)

False.

15.

What is the correct order of categorization of biotic factors?

a)

Decomposers. , Producers and Consumers.

b)

Producers, Consumers and Decomposers.

c)

Consumers, Decomposers and Producers,

d)

Decomposers, Consumers and Producers.

16.

Autotrophs refer to:

a)

Decomposers.

b)

Consumers.

c)

Producers.

17.

Heterotrophs refer to:

a)

Producers.

b)

Consumers.

c)

Decomposers.

18.

Saprotrophs refer to:

a)

Decomposers.

b)

Producers.

c)

Consumers.

19.

Primary consumers are:

a)

Carnivores.

b)

Herbivores.

c)

Omnivores.

20.

What ecosystem do we live?

4 lines