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food chain

Total questions: 105

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
What is the main energy source in any food chain?
a)
Earth
b)
Moon
c)
Plants
d)
Sun
2.
A producer is....
a)
A dead thing that gets its energy from the sun
b)
I living thing that gets its energy from the sun
c)
A scavenger
d)
A prey
3.
What is a consumer?
a)
A plant
b)
The sun
c)
Something that consumes
d)
A living thing that eats plants and animals for energy
4.
What is a decomposer?
a)
A moon
b)
Something that breaks down dead organisms
c)
Roots
d)
Dead things
5.
What is a herbivore?
a)
Eats
b)
Eats only insects
c)
Eats only plants
d)
Eats only meat
6.
What is a carnivore?
a)
Plant eater
b)
Meat eater
c)
A flower
d)
The moon
7.
What is an omnivore?
a)
Eats plants
b)
Eats animals
c)
Eats decomposers
d)
Eats both plants and animals
8.
What is a food chain?
a)
A chain that shows the transfer of energy
b)
A chain to hold your wallet
c)
A necklace
d)
Food that you eat over and over
9.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
10.
Producers get their energy from the ______.
a)
water
b)
Sun
c)
eating animals
d)
eating plants
11.

A Model that shows how energy flows between living things is call a __________.

a)

Food Web

b)

Ecosystem

c)

Food Chain

d)

Environment

12.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
13.

What are the organisms that break down dead things?

a)

Producers

b)

Consumers

c)

Decomposers

d)

Organisms

14.
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
15.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
16.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
17.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
18.
Which type of consumer is always a first consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
19.
Which type of consumer could be a first or second consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
20.
Which food chain is in the correct order?
a)
Sun, bird, caterpillar, plant
b)
bird, caterpillar, plant, Sun
c)
Sun, plant, caterpillar, bird
d)
caterpillar, Sun, bird, plant
21.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
22.
The animals that predators eat
a)
Predators
b)
Consumer
c)
DOODOO
d)
Prey
23.

The process by which plants turn sunlight into food is know as ___________.

a)

Photosynthesis

b)

Solar Energy

c)

Energy

d)

Biomass

24.

Herbivores are also know as ____________.

a)

Primary Consumers

b)

Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

25.

Carnivores that eat other Carnivores are also know as ____________.

a)

Primary Consumers

b)

Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

26.

Carnivores are also know as ____________.

a)

Primary Consumers

b)

Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

27.

Decomposers are also know as ____________.

a)

Primary Consumers

b)

Consumers

c)

Detrivores

d)

Tertiary Consumers

28.

What are humans?

a)

Carnivores

b)

Omnivores

c)

Herbivores

d)

Decomposers

29.

The main source of energy for all of earth's food chains is the...

a)

sun

b)

water

c)

nutrients

d)

producers

30.

Plants produce their own food through...

a)

symbiosis

b)

photosynthesis

c)

genetics

d)

magic

31.

All food chains begin with a...

a)

grass

b)

producer

c)

consumer

d)

decomposer

32.

The second link in a food chain is a...

a)

consumer

b)

producer

c)

herbivore

d)

carnivore

33.

A herbivore is a...

a)

consumer that eats both plants and other animals

b)

consumer that only eats other animals

c)

consumer that only eats plants

34.

A herbivore is also known as...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

35.

The second consumer in the food chain is called...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

36.

The secondary consumer is a carnivore which means...

a)

a consumer that eats both plants and other animals

b)

a consumer that eats only plants

c)

a consumer that eats only other animals

37.

The third consumer in the food chain is called...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

38.

An omnivore is a...

a)

consumer that eats both plants and other animals

b)

consumer that eats only other animals

c)

consumer that eats only plants

39.

Animals that are not hunted and eaten by any animals are called...

a)

herbivores

b)

carnivores

c)

omnivores

d)

apex predators

40.

The level of apex predators in the food chain is...

a)

first

b)

second

c)

tertiary

d)

top

41.

Apex predators contribute to the food chain by...

a)

being eaten by other animals

b)

decomposers breaking down their bodies when they die

c)

producing their own food

42.

Examples of decomposers are...

a)

plants

b)

animals

c)

bacteria and fungi

43.

The level of humans in the food chain is...

a)

first

b)

second

c)

tertiary

d)

top

44.

An organism that makes its own food

a)

photosynthesis

b)

producer

c)

consumer

d)

herbivore

45.

An indiviual animal, plant or single-celled life form

a)

producer

b)

ominvore

c)

organism

d)

prey

46.

The living and non-living things that interact and share an environment

a)

ecosystem

b)

food web

c)

food chain

d)

organism

47.

An organism that obtains food by eating other organisms

a)

predator

b)

consumer

c)

herbivore

d)

carnivore

48.

A consumer that only eats plants

a)

consumer

b)

omnivore

c)

consumer

d)

herbivore

49.

A way of showing how the energy from food moves through populations of organisms in a community

a)

food web

b)

food chain

c)

predator

d)

prey

50.

A way of showing how food chains are related

a)

prey

b)

food chain

c)

food web

d)

scavenger

51.

A consumer that only eats meat

a)

carnivore

b)

ominvore

c)

scavenger

d)

herbivore

52.

An animal that preys on other animals

a)

prey

b)

predator

c)

scavenger

d)

decomposer

53.

An animal that is hunted and killed by another for food

a)

scavenger

b)

predator

c)

prey

d)

organism

54.

Consumer that eats both plants and animals

a)

herbivore

b)

omnivore

c)

carnivore

d)

scavenger

55.

The process by which plants (producers) make their own food.

a)

photosynthesis

b)

consumer

c)

food web

d)

prey

56.

An animal that only eats dead organisms

a)

consumer

b)

prey

c)

decomposer

d)

scavenger

57.

An organism that breaks down the waste or remains of other organisms

a)

prey

b)

consumer

c)

scavenger

d)

decomposer

58.

All energy on Earth ultimately comes from what source?

a)

Water

b)

Consumers

c)

Sun

d)

Oxygen

59.

An organism that needs to eat other organisms to obtain energy is known as a:

a)

Autotroph

b)

Consumer

c)

Producer

d)

Mutualist

60.

An organism that uses sunlight to create its own food is known as a:

a)

Producer

b)

Heterotroph

c)

Consumer

d)

Decomposer

61.

What does a food chain represent?

a)

How all living organisms within a ecosystem are connected.

b)

All of the things that a particular animal eats.

c)

How plants create their own food.

d)

A single path of energy transfer within a ecosystem.

62.

Corn in a field is an example of

a)

producer

b)

consumer

c)

decomposer

d)

heterotroph

63.

Cows are an example of

a)

autotroph

b)

herbivore

c)

carnivore

d)

decomposer

64.

A lion is an example of

a)

producer

b)

decomposer

c)

carnivore

d)

autotroph

65.

Organism that eats both producers and consumers

a)

carnivore

b)

omnivore

c)

herbivores

d)

autotroph

66.

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

67.

Example of a decomposer

a)

frogs

b)

mouse

c)

fungus

d)

plants

68.

Molds, bacteria, and worms are ________.

a)

decomposers

b)

producers

c)

food chains

d)

consumers

69.

Which food chain is in the correct order?

a)

cat, grass, bird, snail

b)

bird, snail, grass, cat

c)

grass, cat, bird, snail

d)

grass, snail, bird, cat

70.

What is the main energy source in any food chain?

a)

Moon

b)

Earth

c)

Sun

d)

Plants

71.

What are animals that get their energy from eating other things?

a)

producer

b)

consumer

c)

decomposer

72.

Energy goes from...............................

a)

producers to consumers

b)

consumers to decomposers

c)

decomposers to producers

73.

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 

74.

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

75.

Look carefully at the image. Which organism is tertiary consumer?

a)

grasshopper

b)

lizard

c)

bird

d)

wolf

76.

What is the primary source of energy for the food web?

a)

sun

b)

plant

c)

consumers

d)

decomposers

77.

(a)   is animal that hunts and eats

78.

......................................... combine water and carbon dioxide to form sugar

a)

sunlight

b)

water

c)

producer

79.

Energy directly flows from producers to (a)   consumer

80.

.................................. is an area that living organisms and nonliving things interact together

a)

ecosystem

b)

food chain

c)

food web

d)

home

81.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
82.
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 
83.
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
84.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
85.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
86.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
87.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
88.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
89.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
90.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
91.
_________ are animals that eat BOTH plants and animals. 
a)
omnivore
b)
carnivore
c)
herbivore
92.

An ecosystem shows how each living thing gets food and how ________________ and energy are passed from organism to organism.

a)

ecosystem

b)

food chain

c)

nutrients

d)

prey

93.

Choose all of the abiotic factors from the choices.

a)

tree

b)

oxygen

c)

sun

d)

soil

e)

frog

94.

If the snake population decreases, what would most likely happen to the hawk population?

a)

The number of snakes would increase.

b)

The number of hawks would increase.

c)

The number of hawks would decrease.

d)

The number of mice would decrease.

95.
An ______ is an independent living thing.
a)
consumer
b)
producer
c)
organism
d)
herbivore
96.

How are the living creatures in an ecosystem linked?

a)

By what they eat

b)

By how they breathe

c)

By their size

d)

By their species`

97.

What can you infer from the fact that the disappearance of just one species can disrupt an entire food chain?

a)

Every food chain depends entirely on a single species

b)

Food chains are extremely fragile

c)

Food chains can regenerate on their own

d)

Food chains would not exist without humans

98.

How is a food web different from a food chain?

a)

Food webs contain only producers, not consumers.

b)

Food webs do not include decomposers.

c)

Food webs contain many different, linked food chains.

d)

Food webs exist in aquatic environments; food chains exist in terrestrial environments.

99.

Which of the following is a producer?

a)
b)
c)
d)
100.

Through what process do producers make their own food?

a)

Parthenogenesis

b)

Photosynthesis

c)

Meiosis

d)

Mitosis

101.

What role do you play in the food web?

a)

Producer

b)

Consumer

c)

Decomposer

d)

Human

102.

How might a lack of sunlight disrupt the food web?

a)

It would cause consumers to consume less.

b)

It would prevent decomposers from decomposing matter

c)

It would prevent producers from producing nutrients.

d)

It would not disrupt the food web at all.

103.

How are primary consumers different from secondary consumers?

a)

Primary consumers eat only plants; secondary consumers eat other consumers.

b)

Primary consumers eat other consumers; secondary consumers eat only plants.

c)

Primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter.

d)

Primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers.

104.

This organism is most likely

a)

A primary consumer

b)

A secondary consumer

c)

A decomposer

d)

A producer

105.

Sheep are herbivorous. What can you infer from this?

a)

They are primary consumers.

b)

They are producers.

c)

They are secondary consumers.

d)

They are decomposers.

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