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Food Webs and Chains

Total questions: 27

Worksheet time: 20mins

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.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
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 recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
11.
Which organism in this food chain is a secondary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
12.
Which organism in this food chain is a tertiary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
13.
In this food pyramid, which level has the greatest amount of energy?
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Tertiary Consumers
14.
How much energy is passed from one trophic level to the next?
a)
1%
b)
10%
c)
50%
d)
100%
15.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
16.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
17.
Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
18.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
19.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
20.

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

a)

hawk

b)

mouse

c)

rabbit

d)

snake

21.

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

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

22.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

23.

If the snake population decreased, which populations would increase as a result?

a)

Birds and Frogs

b)

Hawks and Frogs

c)

Birds and Hawks

d)

Frogs and Butterflies

24.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
25.
The ___% rule states that only ____% of energy is transferred to the next trophic level.
a)
10%
b)
25%
c)
50%
d)
100%
26.
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.
27.
How many "Carnivores" are in this "Food Web"?
a)
One (1) - Green Plant
b)
Three (3) - Mouse / Rabbit / Goat
c)
Six (6) - Lion / Jackal / Wild Cat / Kite / Owl / Snake
d)
Zero (0) - None of these Consumers eat both Producers & Consumers

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