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Ecosystems

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Which is an example of a biotic component of an ecosystem...?

a)

Soil

b)

Water

c)

Bacteria

2.

Which type of ecosystem can support very little life...?

a)

Desert

b)

Rainforest

3.

What do we call all the water on the planet...?

a)

Atmosphere

b)

Hydrosphere

4.

What do we call the biggest ecosystem that exist...?

a)

The lithosphere

b)

The biosphere

5.

Is a savannah terrestrial or aquatic?

a)

Terrestrial

b)

Aquatic

6.

Grassland biomes are...

a)

Prairies

b)

Deserts

c)

Savannahs

7.

Freshwater ecosystem are...

a)

Seas

b)

Rivers

c)

Lakes

8.

Ecosystem is...

a)

a regions of the world with similar climates, animals and plants

b)

the relationship between living and non-living things in an environment

9.

All living things consume other living things to get energy...

a)

True

b)

False

10.

All the living things in an ecosystem are connected in a food web

a)

False

b)

True

11.

Plants are producers because they make their own food

a)

False

b)

True

12.

All food chains start with a predator or carnivore...?

a)

True

b)

False

13.

Descomposers return energy to the soil, where it is absorbed by...

a)

Animals

b)

Plants

c)

Insects

14.

What do we call the rapidly increasing number of people on the planet?

a)

Overconsumption

b)

Overpopulation

15.

Which resources could we run out of in the future if we do not reduce consumption?

a)

Water

b)

Energy

c)

Sunlight

d)

Wind

16.

Which of the following is a consequence of human activity?

a)

Biodiversity

b)

Global warming

17.

What do we call a protected natural area where human activity is limited?

a)

Biosphere reserves

b)

Ecosystem

18.

Biodiversity is...

a)

Variety of animals life in particular area

b)

Variety of plant and animals life in particular area

c)

Variety of plant in particular area

19.

Biotics factors are...

a)

Animals

b)

Plants

c)

Bacteria

d)

Soil

20.

Abiotic factors are...

a)

Air

b)

Light

c)

Water

d)

Plants