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Worksheets

Unit 4: Revision

Total questions: 50

Worksheet time: 53mins

Name
Class
Date
1.

An example of ABIOTIC factor

a)

rock

b)

tree

c)

human

d)

dog

2.

An example of BIOTIC factor

a)

sun

b)

bird

c)

water

d)

rock

3.

An example of a CARNIVORE

a)

human

b)

cow

c)

lion

d)

flower

4.

Omnivores are

a)

consuemers that eat only animals

b)

consumers that eat only plants

c)

consumers that eat both animals and plants

5.

Living things that use the energy from the sun to make their own food are

a)

decomposers

b)

producers

c)

consumers

6.

Animals that look, act or sound like another to trick a predator, is using....

a)

migration

b)

camouflage

c)

mimicry

d)

hibernation

7.

Which is NOT a herbivore

a)

camel

b)

fox

c)

sheep

d)

zebra

8.

The zebra is hunted by the lion. The lion is a

a)

producer

b)

predator

c)

prey

9.

In this food chain (grass -> rabbit -> snake), the producer is

a)

snake

b)

rabbit

c)

grass

10.

In this food chain (grass -> rabbit -> snake -> eagle) The consumers are

a)

grass, rabbit, snake

b)

grass, snake, eagle

c)

rabbit, snake, eagle

11.

Which is NOT a decomposer

a)

mushroom

b)

worms

c)

bacteria

d)

cat

12.

In this food chain, how many consumers are there (grass -> insect -> frog -> bird)

a)

1

b)

2

c)

3

d)

4

13.

In this food chain - how many consumers are there (tree -> giraffe -> lion)

a)

1

b)

2

c)

3

d)

4

14.

In this food chain (grass -> grasshopper-> frog-> snake -> owl), the frog is a

a)

producer

b)

1st Consumer

c)

2nd Consumer

d)

3rd Consumers

15.

Zebra, rabbits, grasshoppers, small fish are examples of

a)

carnivores

b)

herbivores

c)

omnnivores

16.

A shark will eat small fish. What are they?

a)

prey: shark predator: small fish

b)

prey: small fish, predator: shark

17.

A fox will eat a rabbit - which is correct?

a)

prey: rabbit, predator: fox

b)

predator: rabbit, prey: fox

18.

When energy moves from one living thing to another, it is called a

a)

ecosystem

b)

photosynthesis

c)

food chain

19.

A food chain is made up of 3 parts

a)

photosynthesis, prey, predator

b)

producer, consumer, decomposer

c)

producer, carnivore, decomposer

20.

Grass, apples, trees and seaweed are all

a)

producers

b)

consumers

c)

decomposers

21.

Mushrooms, worms and bacteria are all

a)

producers

b)

consumers

c)

decomposers

22.

Camels, sheep, foxes, jellyfish, seals and humans are all

a)

producers

b)

consumers

c)

decomposers

23.

Producers like trees, grass and flowers get their energy from

a)

water

b)

plants

c)

sun

d)

animals

24.

When a worm is eaten by a bird, the worm is a

a)

predator

b)

prey

25.

Dead plants and dead animals are eaten by

a)

bacteria

b)

grasshoppers

c)

bears

26.

Groups of animals moving together to find a new place to live is called

a)

hibernation

b)

camourflage

c)

migration

27.

What PRODUCER does every food chain START WITH?

a)

Water

b)

The sun

c)

Bugs

d)

Animals

28.

The model above is an example of a ...

a)

food chain

b)

food web

c)

habitat

d)

ecosystem

29.

Which organism provides the energy for the producers in this model?

a)

frogs

b)

corn

c)

none of them, the energy comes from the Sun

d)

Eagle

30.

Choose the living things in the food web that are consumers --click on the image to make it larger

a)

wildflowers

b)

hawk

c)

rabbit

d)

snake

e)

mouse

31.

Click on the image to make it larger-- Choose the living things that are producers...

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

32.

Click on the image to make it larger--The rabbit gets energy from the ....

a)

hawk

b)

mouse

c)

wildflowers

d)

grass

33.

Click on the imgae to make it larger-- Choose the herbivores in the food web....

a)

hawk

b)

mouse

c)

rabbit

d)

snake

34.

Bears eat berries and salmon. Bears are ...

a)

producers

b)

carnivores

c)

omnivores

35.

A shark eats mostly fish and smaller ocean animals. A shark is a ...

a)

herbivore

b)

carnviore

c)

decomposer

36.

A cow eats grass found in its habitat. A cow is a

a)

producer

b)

consumer

c)

herbivore

37.

You ate steak and salad for dinner last night.

What does that make you?

a)

a herbivore

b)

a carnivore

c)

an omnivore

d)

a producer

38.

Which animal in this food chain is an herbivore and eats only plants?

a)

wolf

b)

hedgehog

c)

fox

d)

grasshopper

39.

An animal that eats only plants is an __________.

a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
40.

The arrows in a food chain show the flow of __________.

a)

eating

b)

sunlight

c)

energy

d)

time

41.

Which of these organisms would RECEIVE energy from the snake?

a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
42.

What do decomposers eat?

a)

Dead things

b)

Living things

43.

Mushroom (Fungus)

a)

Decomposer

b)

Producer

c)

Consumer

44.
In this food chain, what will happen if the frogs become extinct?
a)
The snakes will increase.
b)
The grasshoppers will decrease.
c)
The eagles will remain the same.
d)
The grasshoppers will increase.
45.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
46.

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

a)

Grass

b)

Grasshopper

c)

Snake

d)

Hawk

47.

How many predators eat the rabbit for energy in this food web?

a)

2

b)

3

c)

4

d)

5

48.

The diagram shows an incomplete food chain. Which of the following would best complete this food chain?

a)

Producer

b)

Consumer

c)

Decomposer

d)

Animal

49.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

a)

There would be a decrease in the small bird population.

b)

There would be a decrease in the grass/flowers population.

c)

There would be a decrease in the mice population.

d)

There would be an increase in the grass/flowers population.

50.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)

The population of foxes would decrease due to no food source.