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Food Webs, Energy Pyramids

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What do the arrows in a food web represent?

a)

mass

b)

energy flow

c)

matter

d)

organisms

2.

What happens as you move higher in the energy pyramid?

a)

more organisms

b)

fewer organisms

c)

number of organisms does not change

d)

organisms die

3.

What type of organism is at the beginning of every food chain?

a)

predator

b)

carnivore

c)

producer

d)

herbivore

4.

This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid?

a)

sharks and large birds

b)

algae, plankton and seagrass

c)

herbivorous fish, crustaceans and sea urchins

d)

seals and carnivorous fish

5.

What kind of living thing can make its own food?

a)

producer

b)

consumer

c)

predator

d)

herbivore

6.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
7.
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.
8.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
9.

In the food web pictured here, flies provide energy for...

a)

Dragonflies, Turtles, & Frogs

b)

Slugs & Fish

c)

Water Weeds & Algae

d)

Snakes, Frogs, & Kingfishers

10.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
11.
Trophic levels are represented by 
a)
squares
b)
circles
c)
pyramids
d)
lines
12.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
13.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
14.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
15.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk