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G6 REVISION Food chain

Total questions: 30

Worksheet time: 40mins

Name
Class
Date
1.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
2.

Where do all life forms get their energy?

a)

Food

b)

Water

c)

Plants

d)

The Sun

3.

An organism that lives by breaking apart dead animal and plants into simpler parts is...

a)

scavenger

b)

consumer

c)

decomposer

d)

carnivore

4.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
5.
Animals that are being hunted and eaten by predators.
a)
prey
b)
extinct
6.

Recently, a family of bobcats(predator) moved into an area with a large rabbit(prey) population. What changes may occur in the food chain?

a)

The rabbit population may increase

b)

The rabbit population may decrease

c)

The rabbit population may increase first, then decrease

d)

The rabbit population will remain the same

7.
A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
a)
Mouse and cat populations both go up?
b)
Mouse and cat populations both go down
c)
Mouse population goes down as cat population goes up
d)
Mouse population goes up as cat population goes down
8.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
9.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
10.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
11.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

12.
A diagram of several connected food chains.
a)
Food Chain
b)
Primary Consumer
c)
Food Web
d)
Secondary Consumer
13.
An organism that eats the producer- (animals that eats plants)
a)
Secondary Consumer
b)
Primary Consumer
c)
Tertiary Consumer
d)
Consumer
14.
An organism that eats the secondary consumer.
a)
Primary Consumer
b)
Secondary Consumer
c)
Tertiary Consumer
d)
Consumer
15.
An animal that eats plants as well as other animals.
a)
Carnivore
b)
Omnivore 
c)
Herbivore
d)
Consumer
16.

What would happen to the bird if the green fish died out?

a)

the bird population would grow

b)

the bird population would die out

c)

the smaller fish will die out

17.

What is the bottom layer of the number pyramid?

a)

producer

b)

tertiary consumer

c)

Secondary consumer

d)

primary consumer

18.
An organism that eats other living things to get energy;  an organism that does not produce its own food.
a)
Decomposer
b)
Producer
c)
Consumer
d)
Biotic
19.
Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
20.

What does an energy pyramid show?

a)

Energy flow in a community

b)

Longest lifespans

c)

The stronger animal the higher it is on the pyramid

21.

What would happen if their were no producers?

a)

Every population would grow larger

b)

Everything would die out

c)

The animals would make their own food

22.

What would happen if the primary consumers died out?

a)

the producers would grow and the secondary and tertiary consumers would die

b)

producers would die out

c)

consumers would grow

23.

A cheetah can be a primary, secondary, tertiary consumers.

a)

yes

b)

No

24.

What two things are produced as a result of photosynthesis?

a)

Oxygen & Carbon Dioxide

b)

Sunlight & Glucose

c)

Oxygen & Glucose

d)

Carbon Dioxide & Glucose

25.

Primary Consumers are also referred to as ______________

a)

Ominvores

b)

Carnivores

c)

Herbivores

26.

True or False Secondary Consumers can be Carnivores & Omnivores

a)

True

b)

False

27.

Which of these is NOT needed in order for plants to live?

a)

Sugar

b)

Water

c)

Carbon Dioxide

d)

Sunlight

28.

Regarding the Food Chain. This is a picture of a _____________ _____________________

a)

Secondary Consumer

b)

Primary Consumer

c)

Quaternary Consumer

d)

Apex Predator

29.

What is this a picture of?

a)

Transportation

b)

Respiration

c)

Transpiration

d)

Photosynthesis

30.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.