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Food Chains and Food Webs

Total questions: 35

Worksheet time: 25mins

Name
Class
Date
1.

an organism that gets energy from eating other things

a)

consumer

b)

producer

c)

energy pyramid

d)

decomposer

2.

an organism that makes its own food

a)

consumer

b)

producer

c)

herbivore

d)

omnivore

3.

an organism that eats only plants

a)

carnivore

b)

herbivore

c)

omnivore

4.

an organism that eats only meat

a)

carnivore

b)

herbivore

c)

omnivore

5.

an organism that eats both plants and animals

a)

carnivore

b)

herbivore

c)

omnivore

6.

shows one possible flow of energy

a)

food web

b)

food chain

c)

energy pyramid

7.

shows all possible flows of energy

a)

food web

b)

food chain

c)

energy pyramid

8.

In food hains and food webs, arrows point at:

a)
who gets energy.
b)
who gets eaten.
9.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
10.
Which organism in this food chain is a secondary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
11.
Which organism in this food chain is a tertiary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
12.
An organism that eats the secondary consumer.
a)
Primary Consumer
b)
Secondary Consumer
c)
Tertiary Consumer
d)
Consumer
13.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
14.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
15.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
16.

In this food chain, where does the lizard get its energy from?

a)

plant

b)

grasshopper

c)

mushrooms

d)

sun

17.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
18.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
19.
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.
20.

If all of the squirrels were removed from the food web above, which organism's population would decrease first?

a)

Mountain Lions

b)

Antelopes

c)

Hawks

d)

Coyotes

21.

If the mouse population becomes sick and decreases, which statement about the food web will be true?

a)

The grass population will decrease.

b)

The hawk population will increase.

c)

The grass population will increase.

d)

The wildflower population will decrease.

22.

What might happen if all the rabbits died?

a)

There would be more hawks because there are fewer rabbits in competition with them.

b)

There would be fewer lizards because the hawks would eat more of them.

c)

There would be less grass because the grasshoppers would eat it.

d)

There would be more snakes because they would not compete with the rabbits.

23.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
24.
All food chains_____________________
a)
have more consumers than producers
b)
produce and use same amount of energy
c)
begin with a producer
d)
are unhealthy 
25.
Which Consumer is the Prey of the Hawk?
a)
Grass
b)
Grasshopper
c)
Snake
d)
Mushroom
26.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

27.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

28.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

29.

Which type of organism should replace the X in the food web?

a)

an omnivore

b)

an herbivore

c)

a carnivore

d)

a producer

30.

Which statement correctly describes the transfer of energy in a food chain in this wetland?

a)

Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.

b)

Energy is transferred from marsh grasses to crickets to hawks to frogs.

c)

Energy is transferred from grasshoppers to crickets to frogs to hawks.

d)

Energy is transferred from cattails to crickets to shrews to hawks.

31.

Which of these is a possible food chain for this environment?

a)

Sun → grass → fly → frog

b)

frog → fly → grass → Sun

c)

Sun ← grass ← fly ← frog

d)

Sun → fly → frog → snake

32.

type of consumer eats secondary consumers

a)

primary consumer

b)

plants

c)

tertiary consumer

d)

sunlight

33.

This type of consumer eats a primary consumer.

a)

vegans

b)

primary producer

c)

secondary consumer

d)

tertiary consumer

34.

This type of consumer

eats a producer.

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

d)

Vegan Consumers

35.

when food chains overlap they create this

a)

food web

b)

food link

c)

energy chains

d)

food chain

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