Food Chains and Webs: Interactive Learning Quizzes for Year 3 Science

Question 1

Which of the following is a living thing that makes its own food from sunlight?

Accepted Answer

Plant

Answer

Insect

Answer

Bird

Answer

Snake

Question 2

How are food chains different from food webs?

Accepted Answer

Food chains show how energy flows through an ecosystem, while food webs show how all the living things are connected.

Answer

Food chains are straight lines, while food webs are more like circles.

Answer

Food webs are shorter than food chains.

Answer

There is no difference between food chains and food webs.

Question 3

If all the grass in a field disappears, what will happen to the animals that eat grass?

Accepted Answer

They will starve.

Answer

They will find other plants to eat.

Answer

They will all move to a different field.

Answer

Nothing will happen to them.

Question 4

Which of the following helps to break down dead plants and animals?

Accepted Answer

Mushroom

Answer

Rabbit

Answer

Hawk

Answer

Grass

Question 5

What is the sequence of a food chain?

Accepted Answer

Producer → Primary Consumer → Secondary Consumer → Tertiary Consumer

Answer

Secondary Consumer → Primary Consumer → Producer → Tertiary Consumer

Answer

Producer → Secondary Consumer → Primary Consumer → Tertiary Consumer

Answer

Tertiary Consumer → Primary Consumer → Secondary Consumer → Producer

Question 6

What do producers do in a food web?

Accepted Answer

Make their own food from sunlight.

Answer

Eat other organisms to get energy.

Answer

Break down dead things and put nutrients back in the dirt.

Answer

Control the number of other living things there are.

Question 7

What is the difference between a food chain and a food web?

Accepted Answer

A food chain shows a few living things eating each other, and a food web shows all the living things eating each other in a whole area.

Answer

A food chain is like a straight path, and a food web is like a circle.

Answer

A food chain is more important than a food web.

Answer

There is no difference between a food chain and a food web.

Question 8

Which of these is a primary consumer?

Accepted Answer

Caterpillar

Answer

Grass

Answer

Owl

Answer

Fox

Question 9

In a food chain, which of these is NOT a producer?

Accepted Answer

Rabbit

Answer

Tree

Answer

Grass

Answer

Flower

Question 10

What is the difference between a producer and a consumer?

Accepted Answer

Producers create food, while consumers eat it

Answer

Consumers create food, while producers eat it

Answer

Producers eat plants, while consumers eat animals

Answer

Consumers eat plants, while producers eat animals

Question 11

In a food chain diagram, what does the arrow show?

Accepted Answer

The direction of energy flow

Answer

The direction of movement

Answer

The size of the organism

Answer

The importance of the organism

Question 12

Which living thing makes its own food using sunlight?

Accepted Answer

Grass

Answer

Fox

Answer

Rabbit

Answer

Owl

Question 13

Which of these shows a food chain?

Accepted Answer

Grass → Rabbit → Fox → Owl

Answer

Grass → Rabbit → Fox

Answer

Grass → Rabbit → Fox → Owl → Decomposer

Answer

Grass → Fox → Rabbit → Owl

Question 14

If there were fewer rabbits in a food chain, who would be most affected?

Accepted Answer

Foxes

Answer

Grass

Answer

Owls

Answer

Decomposers

Question 15

Which of these is NOT a type of food web?

Accepted Answer

Straight line food web

Answer

Food web on land

Answer

Food web in water

Answer

Food web in the air

Question 16

What do decomposers do in a food chain?

Accepted Answer

Break down dead plants and animals

Answer

Make food from sunlight

Answer

Eat other living things

Answer

Provide shelter for other living things

Question 17

In a food chain with grass, a mouse, a snake, and a hawk, which living thing is the first to receive energy?

Accepted Answer

Grass

Answer

Mouse

Answer

Snake

Answer

Hawk

Question 18

Which living thing makes its own food from sunlight?

Accepted Answer

Grass

Answer

Mouse

Answer

Snake

Answer

Fungi

Question 19

What do living things that eat other living things do?

Accepted Answer

Eat other organisms

Answer

Make food from sunlight

Answer

Break down dead organisms

Answer

Release oxygen into the air

Question 20

Which animal is at the end of this food chain: grass → mouse → snake → ?

Accepted Answer

Hawk

Answer

Grass

Answer

Mouse

Answer

Snake

Question 21

What would happen if all the mice in a food chain disappeared?

Accepted Answer

The number of snakes would decrease.

Answer

The number of hawks would increase.

Answer

The grass would grow taller.

Answer

Nothing would happen.

Question 22

What is the last step in a food web?

Accepted Answer

Decomposers

Answer

Producers

Answer

Consumers

Answer

Herbivores

Question 23

Which of these is NOT a type of food chain?

Accepted Answer

Symbiotic

Answer

Predator-prey

Answer

Parasitic

Answer

Herbivore

Question 24

What is a food web?

Accepted Answer

A complicated network of connected food chains.

Answer

A straight line of organisms that are linked by eating each other.

Answer

The amount of food in an ecosystem.

Answer

The process of how living things eat and digest food.

Question 25

What is the main role of producers in a food chain?

Accepted Answer

To make their own food using sunlight

Answer

To eat other living things

Answer

To break down dead plants and animals

Answer

To hunt and eat other animals

Question 26

In a food chain, which living thing makes its own food?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 27

What is the job of a consumer in a food chain?

Accepted Answer

To eat other living things

Answer

To make food from sunlight

Answer

To break down dead plants and animals

Answer

To provide shelter for other living things

Question 28

Which of the following is NOT a type of consumer that eats other animals?

Accepted Answer

Producer

Answer

Herbivore

Answer

Carnivore

Answer

Omnivore

Question 29

What is a food web?

Accepted Answer

A group of connected food chains

Answer

A single food chain

Answer

A map of all the living things in an area

Answer

A family of animals that live together

Question 30

What is the job of consumers in a food chain?

Accepted Answer

Eat other living things

Answer

Make food for themselves

Answer

Break down dead plants and animals

Answer

Transfer energy to the sun

Question 31

Which of these is NOT a consumer?

Accepted Answer

Mushroom

Answer

Rabbit

Answer

Eagle

Answer

Spider

Question 32

What is a food web?

Accepted Answer

A picture that shows who eats whom in an ecosystem

Answer

An animal that only eats plants

Answer

A group of animals that live together

Answer

A food chain with only decomposers

Question 33

Which of these is a primary consumer?

Accepted Answer

Rabbit

Answer

Grass

Answer

Fox

Answer

Hawk

Question 34

How can humans affect food chains and food webs?

Accepted Answer

We can change food chains and food webs through our actions

Answer

We are primary consumers

Answer

We are at the top of the food chain

Answer

We have no impact on food chains or food webs

Question 35

What might happen if an important animal, like bees, were to disappear from a food web?

Accepted Answer

Other animals that rely on bees for food would have less to eat.

Answer

The food web would become more balanced.

Question 36

Which of the following is a living organism that makes its own food?

Accepted Answer

Plant

Answer

Snake

Answer

Lion

Question 37

Which animal eats other animals but is not the top predator in the food chain?

Accepted Answer

Fox

Answer

Eagle

Answer

Frog

Answer

Grasshopper

Question 38

Which of the following is NOT a way to describe a food web?

Accepted Answer

Linear

Answer

Cyclical

Answer

Interconnected

Answer

Hierarchical

Question 39

What is the job of decomposers in a food web?

Accepted Answer

To break down dead plants and animals and recycle nutrients.

Answer

To provide food for primary consumers.

Answer

To control the population of herbivores.

Question 40

Which type of organism is always at the start of a food chain?

Accepted Answer

Plant

Answer

Fox

Answer

Snake

Answer

Eagle

Question 41

What is the difference between a food chain and a food web?

Accepted Answer

A food web shows how multiple food chains are connected.

Answer

A food web only includes animals, while a food chain includes plants.

Answer

A food chain is linear and a food web is cyclical.

Question 42

What is a trophic level?

Accepted Answer

A level in a food chain or web that shows the feeding position of an organism.

Answer

The amount of energy available to an organism.

Answer

The number of organisms in a particular population.

Question 43

What happens to the amount of energy available to organisms as you move up a food chain?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It becomes unpredictable

Question 44

Which living thing makes its own food using sunlight?

Accepted Answer

Grass

Answer

Ladybird

Answer

Snake

Answer

Bacteria

Question 45

Which of these shows the correct flow of energy in a food chain?

Accepted Answer

Sunlight → Grass → Grasshopper → Frog

Answer

Frog → Grasshopper → Grass → Sunlight

Answer

Frog → Grass → Grasshopper → Sunlight

Answer

Grasshopper → Frog → Grass → Sunlight

Question 46

What do decomposers do in a food web?

Accepted Answer

Break down dead organisms into nutrients

Answer

Eat plants

Answer

Produce food for other organisms

Answer

Hunt animals

Question 47

If a top predator is removed from a food web, what might happen?

Accepted Answer

The population of its prey might increase

Answer

Nothing would change

Answer

The population of its prey might decrease

Question 48

What is the main difference between a food chain and a food web?

Accepted Answer

A food chain shows a single path of energy flow, while a food web shows many interconnected paths.

Answer

A food chain only includes animals, while a food web includes both plants and animals.

Question 49

Where do all living things get their energy from originally?

Accepted Answer

The sun

Answer

Plants

Answer

Animals

Answer

Bacteria

Question 50

Which of these factors does NOT affect the population of a species in a food web?

Accepted Answer

The weather

Answer

The amount of food available

Answer

The number of predators

Question 51

What name is given to an organism that breaks down dead plants and animals?

Accepted Answer

Decomposer

Answer

Consumer

Answer

Producer

Answer

Predator