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Food Chains and Food Webs

Total questions: 60

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

All living things need _______ to stay alive.

a)

producers

b)

consumers

c)

energy

d)

prey

2.

Plants are _________.

a)

producers

b)

consumers

c)

decomposers

d)

predators

3.

Energy flows from the ______ to _______.

a)

Sun to consumers

b)

Predator to the prey

c)

Sun to producers

d)

Predator to the Sun

4.

All food chains start with energy from the ______.

a)

prey

b)

predator

c)

producer

d)

Sun

5.

All animals are __________.

a)

consumers

b)

prey

c)

predators

d)

producers

6.

A ______________ is an animal that hunts other animals for food.

a)

prey

b)

predator

c)

producer

d)

consumer

7.

An ____________ is the relationship of living and non-living things.

a)

producer

b)

consumer

c)

community

d)

ecosystem

8.

A food chain begins with ____________.

a)

consumers

b)

producers

c)

predators

d)

prey

9.

When organisms die, their bodies _________, or break down into simpler parts.

a)

decay

b)

end

c)

do nothing

d)

die

10.

A ____________ is a living thing that breaks down the remains of dead organisms.

a)

producer

b)

consumer

c)

decomposer

d)

prey

11.

All food chains end with ___________________.

a)

producers

b)

consumers

c)

predators

d)

decomposers

12.

An example of decomposers would be ....

a)

bacteria, mushrooms, and earthworms

b)

frogs, algae, and shark

c)

shrimp, crayfish, mushrooms

d)

mushrooms, earthworms, and shrimp

13.

Where do producers get their energy?

a)

plants

b)

consumers

c)

planets

d)

sunlight

14.

Which of the following would be an example of a prey and predator relationship?

a)

bee and a flower

b)

corn and a pig

c)

rabbit and a fox

d)

berry bush and a deer

15.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
16.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
17.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
18.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
19.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
20.
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 
21.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
22.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
23.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
24.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
25.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
26.
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.
27.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
28.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
29.
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.
30.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
31.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
32.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
33.
Which organism has the most energy and which organism has the least amount of energy? Choose the best answer. 
a)
mosquito and grass
b)
mouse and grass
c)
grass and owl
d)
grass and small bird
34.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
35.
What is missing from this food chain?
Grass > Grasshopper > Bird > Snake
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Decomposer
36.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
37.

In the food web shown, who is the secondary consumer?

a)

grass

b)

mouse

c)

rabbit

d)

fox

38.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
39.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a ecosystem.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
40.

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

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

41.

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

a)

hawk

b)

mouse

c)

rabbit

d)

snake

42.

A cow eats grass found in its habitat. A cow is a

a)

producer

b)

consumer

c)

herbivore

43.

A shark eats mostly fish and smaller ocean animals. A shark is a ...

a)

herbivore

b)

carnviore

c)

decomposer

44.

Bears eat berries and salmon. Bears are ...

a)

producers

b)

carnivores

c)

omnivores

45.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
46.
A parrot eats fruit, seeds, and insects.  Which of the following terms best describes a parrot?
a)
Herbivore
b)
Carnivore
c)
Producer
d)
Omnivore
47.
A field mouse eats grass and grass seeds.  Which of the following terms best describes a field mouse?
a)
Herbivore
b)
Producer
c)
Carnivore
d)
Decomposer
48.
An alligator eats fish, turtles, ducks, and small mammals on the bank.  Which of the following terms best describes the alligator?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Producer
49.
In the arctic, polar bears hunt seals.  which of the following terms best describes the polar bear?
a)
Producer
b)
Predator
c)
Prey
d)
Host
50.
A snake hunts lizards and frogs.  Which terms best describes lizards and frogs?
a)
Predator
b)
Microoganism
c)
Prey
d)
Producer
51.
A flea needs to consume the blood of an organism in order to survive.  Which of the following terms best describes the flea?
a)
Host
b)
Decomposer
c)
Prey
d)
Parasite
52.
Mushrooms break down dead and decaying wood in the forest.  Which of the following terms best describes the mushroom?
a)
Mold
b)
Algae
c)
Parasite
d)
Decomposer
53.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
54.
Which two types of organisms in this aquatic food web have a producer-consumer relationship?
a)
A. Microscopic algae and white suckers
b)
B. Small invertabrates and amphipods
c)
C. Phytoplankton and mummichogs
d)
D. Amphipods and channel catfish
55.
Which species most likely has the largest population?
a)
Herring
b)
Plankton
c)
Shrimp
d)
Shark
56.
Identify the correct food chain that demonstrates the energy flow of this food web.
a)
Eagle < Bluebird < Plant
b)
Plant< Rabbit < Eagle
c)
Plant > Snail > Lizard > Eagle
d)
Eagle> Lizard>Caterpillar>Plant
57.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
58.
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
59.

This food web represents organisms in a field. What role do raccoons play in this food web? (5.9B)

a)

Prey

b)

Producer

c)

Decomposer

d)

Consumer

60.

Choose the living things in the food web that are consumers --click on the image to make it larger

a)

wildflowers

b)

hawk

c)

rabbit

d)

snake

e)

mouse

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