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Worksheets

Food Chains

Total questions: 20

Worksheet time: 2hrs 40mins

Name
Class
Date
1.
_________ cannot make their own food, so they need to consume (eat) plants or animals.
a)
consumers
b)
producers
c)
decomposers
2.
The  ____________ provides all the initial energy to plants.
a)
sun
b)
moon
c)
environment
d)
water
3.
____ make their own food through photosynthesis. 
a)
consumer
b)
decomposer
c)
producer
4.
What does a food chain contain? Choose ALL correct answers.
a)
consumer
b)
producer
c)
decomposer
d)
all of the above
5.
__________ eat decaying matter, dead plants and animals and in the process they break them down. 
a)
consumer
b)
producer
c)
decomposer
6.
_______are animals that eat only plants.
a)
herbivore
b)
carnivore
c)
omnivore
7.
_________ are animals that eat BOTH plants and animals. 
a)
omnivore
b)
carnivore
c)
herbivore
8.
what is bacteria or fungi considered?
a)
producer
b)
consumer
c)
decomposer
9.
What is a daisy considered?
a)
producer
b)
consumer
c)
decomposer
10.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
11.

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

12.

The roadrunner is a desert bird that eats fruits and seeds. It also eats insects, spiders, scorpions, and rattlesnakes.


What would likely happen if the roadrunner population disappeared from its ecosystem?

a)

There would be no more fruits or seeds.

b)

There would a decrease in spider populations.

c)

The rattlesnake population would stay the same.

d)

There would be an increase in scorpion populations.

13.

The diagram shows a grassland food chain. If the mice are removed from this food chain, which animal population would most likely be affected first?

a)

Plant Seeds

b)

Field Mice

c)

Snakes

d)

Mountain Lions

14.

The diagram shows a food chain.


The squirrel gets its energy directly from -

a)

sun

b)

trees

c)

other squirrels

d)

hawk

15.

Which of these completes the food chain correctly?

a)

a rock

b)

a fox

c)

a plant

d)

an egg

16.

Which organism is getting energy from the mouse?

a)

cricket

b)

grass

c)

fox

d)

Sun

17.

Which of these gets energy from berries?

a)

the Sun

b)

the berries

c)

the robin

d)

the fox

18.

According to this food chain, how does the snake get energy?

a)

by eating the hawk

b)

by eating the rabbit

c)

by eating the berries

d)

by being in the Sun

19.
Why is the insect a consumer?
a)
It is eaten by a mouse.
b)
It can make its own food.
c)
It eats the plant.
20.
Which animal is often said to be at the "top of the food chain"?
a)
raccoons
b)
bugs
c)
hawks
d)
humans