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Ecosystems

Total questions: 19

Worksheet time: 15mins

Name
Class
Date
1.

Which picture shows a DESERT ecosystem?

a)
b)
c)
d)
2.

Which picture does NOT show a WETLANDS ecosystem?

a)
b)
c)
d)
3.

In which ecosystem will you find this food-chain?

a)

African grasslands

b)

Arctic tundra

c)

Amazon rain forest

d)

American wetlands (swamp)

4.

What will happen to a population if they do not have enough resources?

a)

The population will grow bigger

b)

The population will all die

c)

The population will have to move away or they will die

d)

The population will sit and wait for new resources

5.

How many consumers can you see in this picture?

a)

2

b)

4

c)

6

d)

8

6.

What will happen to the rabbit population if the owl population becomes bigger?

a)

The rabbit population will become smaller

b)

The rabbit population will become bigger

c)

The rabbit population will stay the same

7.

Why are decomposers important in an ecosystem?

a)

They directly give energy to consumers.

b)

They break down dead things and put nutrients back in the ground.

c)

They are not important they are harmful.

8.

TRUE OR FALSE?

The sun is the main source of energy for all of life on earth.

a)

True

b)

False

9.
When the last member of a species dies, the species becomes
a)
extinct
b)
endangered
c)
threatened
d)
dead
10.
Which is a non-living part of an ecosystem?
a)
Sunlight
b)
Air
c)
Water
d)
All of these
11.
What is an ecosystem?
a)
A group of animals that are the same species.
b)
Soil, water, air and sunlight
c)
All the living and non living things that interact in an area.
d)
North America
12.
An animal that is hunted by other animals for food is called _____________________ .
a)
Victim
b)
Sally
c)
Predator
d)
Prey
13.
Which of these is NOT an example of an ecosystem?
a)
Rainforest
b)
A city
c)
Desert
d)
Deep ocean
14.
What is the name for all the animals of the same species living in an ecosystem?
a)
Population
b)
Community
15.

What is a producer?

a)

a person who makes a movie

b)

an organism that can make its own food

c)

an organism that cannot make its own food

d)

a pepperoni pizza

16.

What is a consumer?

a)

an organism that cannot make its own food

b)

an organism that can make its own food

c)

a plant

17.

Which of the following eats only plants?

a)

carnivores

b)

herbivores

c)

omnivores

d)

producers

18.

Which of the following eats only meat?

a)

carnivores

b)

omnivores

c)

herbivores

d)

decomposers

19.

How do decomposers get energy?

a)

They break down dead or decaying matter.

b)

They eat live organisms.

c)

They get energy from the Sun.

d)

They get energy from the moon.