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Science Chapter 3

Total questions: 180

Worksheet time: 3hrs 1mins

Name
Class
Date
1.

A (a)   shows us what each animal sets.

2.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
3.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
4.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
5.
Animals that are being hunted and eaten by predators.
a)
prey
b)
extinct
6.
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
a)
The rabbit population may increase
b)
The rabbit population may decrease
c)
The rabbit population may increase first, then decrease
d)
The rabbit population will remain the same
7.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
8.
Where an animal lives is called the animal's ______
a)
wildlife
b)
habitat
c)
environment 
d)
carnivore 
9.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
10.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
11.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
12.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
13.
What is a decomposer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
14.
What do Omnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
15.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
16.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
17.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
18.
Who is the producer in this food chain? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
19.
Who does the grasshopper get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
20.
What do Carnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
21.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

22.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
23.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
24.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
25.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
26.
What do Herbivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
27.

What do plants need to make their own food?

a)

Sun, Water, and Animals

b)

Sun, Coke, and Soil

c)

Sun, Water, and Soil

d)

Nothing at all

28.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

29.

An example of prey:

a)

lion

b)

mouse

c)

shark

30.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
31.

What is a decomposer?

a)
b)
c)
d)
32.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
33.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
34.
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 
35.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
36.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
37.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
38.
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.
39.

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

a)

sun

b)

water

c)

nutrients

d)

producers

40.

Plants produce their own food through...

a)

symbiosis

b)

photosynthesis

c)

genetics

d)

magic

41.

All food chains begin with a...

a)

grass

b)

producer

c)

consumer

d)

decomposer

42.

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

a)

consumer

b)

producer

c)

herbivore

d)

carnivore

43.

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

44.

A herbivore is also known as...

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

45.

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

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

46.

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

47.

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

a)

primary consumer

b)

secondary consumer

c)

tertiary consumer

48.

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

49.

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

a)

herbivores

b)

carnivores

c)

omnivores

d)

apex predators

50.

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

a)

first

b)

second

c)

tertiary

d)

top

51.

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

52.

Examples of decomposers are...

a)

plants

b)

animals

c)

bacteria and fungi

53.

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

a)

first

b)

second

c)

tertiary

d)

top

54.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
55.

Where do all life forms get their energy?

a)

Food

b)

Water

c)

Plants

d)

The Sun

56.

An organism that lives by breaking apart dead animal and plants into simpler parts is...

a)

scavenger

b)

consumer

c)

decomposer

d)

carnivore

57.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
58.
Animals that are being hunted and eaten by predators.
a)
prey
b)
extinct
59.

Recently, a family of bobcats(predator) moved into an area with a large rabbit(prey) population. What changes may occur in the food chain?

a)

The rabbit population may increase

b)

The rabbit population may decrease

c)

The rabbit population may increase first, then decrease

d)

The rabbit population will remain the same

60.
A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
a)
Mouse and cat populations both go up?
b)
Mouse and cat populations both go down
c)
Mouse population goes down as cat population goes up
d)
Mouse population goes up as cat population goes down
61.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
62.
Where an animal lives is called the animal's ______
a)
wildlife
b)
habitat
c)
environment 
d)
carnivore 
63.

A food chain is:

a)

an animal that eats only plants.

b)

a diagram that shows how energy moves from one organism to another. (Grass>Mouse>Owl)

c)

An animal that is hunted and eaten by another animal.

64.

An animal that hunts and eats other animals.

Pick 3 answers.

a)

herbivore

b)

carnivore

c)

predator

d)

prey

e)

consumer

65.

which one is a Producer?

a)
b)
c)
d)
66.
Which is the correct food chain order?
a)
Plant-->1st Consumer--> 2nd Consumer 
b)
Plant <-- 1st Consumer <-- 2nd Consumer
c)
2nd consumer     --> 1st consumer  --> Plant
d)
1st Consumer      --> 2nd consumer --> Plant
67.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
68.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
69.
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. 
70.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
71.
Which of the animals in this food web is a secondary consumer?
a)
Hawk
b)
Lizard
c)
Mouse
d)
Snake
72.
The primary consumer in this food chain is the ____________.
a)
Frog
b)
Eagle
c)
Grasshopper
d)
Python
73.

Why do people say adult lions are at the top of the food chain?

a)

Adult lions have no predators in the wild.

b)

Adult lions are prey for many different kinds of animals.

c)

Adult lions are producers and can make food on their own.

d)

Adult lions help other animals get food by hunting for them.

74.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
75.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
76.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
77.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
78.
What do the arrows show in a food chain picture?
a)
They always point to the smallest animals.
b)
They point to the animal that tastes the best.
c)
They always point to the producers.
d)
They point in the direction that energy is flowing.
79.
Which food chain is in the correct order?
a)
cat, grass, bird, snail
b)
bird, snail, grass, cat
c)
grass, snail, bird, cat
d)
grass, cat, bird, snail
80.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
81.
In the winter, the birds will __________ to a warmer climate.
a)
migrate
b)
hibernate
c)
tropical
d)
habit
82.
Animals hibernate in ______________.
a)
winter
b)
spring
c)
summer
d)
fall
83.
A bat would be most happy hibernating in...
a)
an igloo
b)
a beach
c)
a cave
d)
the bottom of a pond
84.
What would a ground squirrel do FIRST to prepare for winter?
a)
eat a lot of food to store up fat
b)
lower it's body temperature
c)
sleep through the winter
d)
wake up
85.
What does it mean to hibernate?
a)
To change your physical characteristics
b)
To sleep for an extended period of time during the winter
c)
To travel to a warmer location
d)
To eat all the oreos
86.
If an animal migrates then they
a)
find a hole to sleep in
b)
change the color of their fur
c)
travel to a warmer location
87.
Which animal is most likely to migrate?
a)
Canadian Geese
b)
Grizzly Bear
c)
Raccoon
d)
Skunk
88.
Animals that adapt...
a)
Stay the same
b)
Change certain characteristics to survive
c)
Bake cookies
89.
What is mimicry
a)
Taking the background and copy it
b)
coping another animal or thing to survive 
90.
An animal can blend in with its surrounding by using __________________
a)
migration
b)
camouflage
c)
hibernation
d)
prey
91.

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`

92.

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

93.

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.

94.

Which of the following is a producer?

a)
b)
c)
d)
95.

Through what process do producers make their own food?

a)

Parthenogenesis

b)

Photosynthesis

c)

Meiosis

d)

Mitosis

96.

What role do you play in the food web?

a)

Producer

b)

Consumer

c)

Decomposer

d)

Human

97.

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.

98.

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.

99.

This organism is most likely

a)

A primary consumer

b)

A secondary consumer

c)

A decomposer

d)

A producer

100.

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.

101.

Producers are:

a)

animals

b)

rocks

c)

plants

102.

Plants are called producers because they can produce their own:

a)

music

b)

food

c)

air

103.

Animals that eat only plants are called:

a)

herbivores

b)

omnivores

c)

carnivores

104.

Animals that eat only meat are called:

a)

herbivores

b)

carnivores

c)

omnivores

105.

Animals that eat both plants and animals are called:

a)

herbivores

b)

carnivores

c)

omnivores

106.

A food chain is:

a)

an animal that eats only plants.

b)

a diagram that shows how energy moves from one organism to another. (Grass>Mouse>Owl)

c)

An animal that is hunted and eaten by another animal.

107.

A living thing that breaks down dead plants and animals - such as, fungi, worms, bacteria, is:

a)

decomposer

b)

food web

c)

omnivore

108.

A system of many food chains that interact with each other:

a)

predator

b)

consumer

c)

food web

109.

An animal that hunts and eats other animals:

a)

producer

b)

plants

c)

predator

110.

A living thing that needs to eat other living things for food:

a)

consumer

b)

producer

c)

desk chair

111.

A living thing:

a)

organism

b)

rock

c)

weather

112.

An animal that is hunted and eaten by another animal:

a)

predator

b)

prey

c)

scavenger

113.

An animal that searches for and eats dead animals:

a)

scavenger

b)

scavenger

c)

scavenger

114.

An example of a herbivore:

a)

cow

b)

lion

c)

wolf

115.

An example of a carnivore:

a)

giraffe

b)

eagle

c)

cow

116.

An example of a producer:

a)

apple tree

b)

cat

c)

dog

117.

An example of a consumer:

a)

grass

b)

roses

c)

dog

118.

An example of an omnivore:

a)

raccoon

b)

oak tree

c)

water

119.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

120.

An example of prey:

a)

lion

b)

mouse

c)

shark

121.

Animals eat plants and other animals and the way this happens shown in a (a)   .

122.

We use (a)   - to give information about the feeding relationship.

123.

Food chain are useful because they show how plants and animals need food to ___________________.

a)

arrows

b)

pictures

c)

live

d)

relationships

124.

We can use words or ____________ to create food chain.

a)

arrows

b)

pictures

c)

live

d)

relationships

125.

We use ___________ to show us feeding relationship.

a)

arrows

b)

pictures

c)

live

d)

relationships

126.

Arrows are used to show feeding ___________________.

a)

arrows

b)

pictures

c)

live

d)

relationships

127.

Food webs give us more information about (a)   .

128.

A food web shows all the different things that animals eat in a (a)   .

129.

Food webs and food chains give information about feeding relationships.

a)

True

b)

False

130.

We use arrows to show us what each animals eat.

a)

True

b)

False

131.

Food webs give information than food chains.

a)

True

b)

False

132.

Food chains always start with (a)   -.

133.

They are called producers because they can make their own food using __________ from the ____________.

(a)  

134.

A healthy plant needs sunlight, water, _______ and a suitable place to ______________.

(a)  

135.

We describe green plant as (a)   plant.

136.

They all start with green plants called (a)   .

137.

Animals cannot make their own (a)   .

138.

They have to eat something to get the (a)   they need.

139.

Some of the energy is used by the (a)   .

140.

The rest of the energy is passed along the food ___________ and ______________________.

(a)  

141.

We use (a)   of numbers to help us.

142.

When green plants make food using ____________ energy from the _______________it is called ________________________.

(a)  

143.

Green plants use _________________ from the air and ___________from the soil to make ________________.

(a)  

144.

(a)   is the name of the food the plant needs so that it can grow.

145.

(a)   is the name of the food the plant needs so that it can grow.

146.

Humans and other animals use (a)   when they breathe.

147.

The (a)   provides food for animals and insects.

148.

We call animals and insects (a)   -because they consume plants.

149.

Insect

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

150.

Snake

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

151.

Lizard

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

152.

Animals that hunt other animals for food are called (a)   -.

153.

(a)   kill other animals.

154.

These animals are called (a)   .

155.

The (a)   is the fastest animal on the Earth.

156.

It can run as fast as (a)   -.

157.

Cheetah are found in (a)   .

158.

They are (a)   .

159.

The __________ can be found in Africa and ___________.

(a)  

160.

Some animals hunt for their food are called (a)   .

161.

The animals that are hunted and killed by predators are called (a)   -.

162.

Predators and prey are both _________ because they cannot produce their own _____________.

(a)  

163.

___________ is the producer in a ________- habitat.

(a)  

164.

Food chains can also include information about (a)   - and prey in a different habitats.

165.

Some (a)   -- can be predators and prey.

166.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
167.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
168.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
169.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
170.

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`

171.

What is a predator?

a)

An animal that eats plants

b)

An animal that naturally preys on (eats) other animals

172.

Are predators important to an ecosystem?

a)

Yes

b)

No

173.

The way energy is passed from one organism to another

a)

food chain

b)

energy

c)

extinct

174.

Which best describes what a food chain shows you?

a)

Energy flow through an ecosystem

b)

The life cycle of animals

175.

An organism that gets energy from eating other organisms is a ______________

a)

producer

b)

consumer

c)

decomposer

176.

What is a producer?

a)

an organism that gets energy from EATING other organisms

b)

an organisms that uses sunlight to MAKE its own food

177.

In this image, the cheetah is the

a)

prey

b)

energy

c)

herbivore

d)

predator

178.

What is this model called?

a)

Food Chain

b)

Habitat

c)

Herbivore

179.

How is the sun a part of a food chain?

a)

it is bright

b)

it is the energy source

c)

it is hot

180.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf

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