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Food chain

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Organisms, like bacteria, insects and worms, that break down waste are called ___

a)

carnivore

b)

herbivores

c)

decomposers

2.

Energy flows through a system of living things in a "what eats what" model called ___

a)

the carbon cycle

b)

a food chain

3.

In an ecosystem, decomposers break down ___

a)

worms

b)

waste

4.

Where do decomposers fit into the food chain?

a)

at the beginning

b)

in the end

c)

any time there's waste

5.
An apple tree is a
a)
producer
b)
consumer
c)
decomposer
6.
A hawk is an example of a
a)
consumer
b)
producer
c)
decomposer
7.
A mushroom is a 
a)
producer
b)
consumer
c)
decomposer
8.
Bamboo is a 
a)
producer
b)
consumer 
c)
decompser
9.
Bacteria is an example of a 
a)
producer
b)
consumer
c)
decomposer
10.
A snake is an example of a
a)
producer 
b)
consumer
c)
decomposer
11.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
12.
A consumer?
a)
Makes its own food
b)
Eats dead plants and animals
c)
Eats plants and other animals for energy
d)
Buys toys for kids
13.
A producer?
a)
Eats other plants and animals
b)
Makes its own food
c)
Eats dead plants or animals
d)
Makes toys for kids
14.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
d)
Machine that gathers trash
15.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
16.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
17.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
18.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

19.

Where can you find carbon?

a)

Only in Earth's atmosphere

b)

Inside all water molecules

c)

Inside the sun

d)

Inside every living thing on Earth

20.

If the plant population decreased, the amount of carbon in the atmosphere would ____________________.

a)

Increase

b)

Decrease

c)

Stay the same