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

Question 1

In a food chain, which organism eats plants and is then eaten by a carnivore?

Accepted Answer

Primary consumer

Answer

Producer

Answer

Secondary consumer

Answer

Tertiary consumer

Question 2

What is a food web?

Accepted Answer

Many interconnected food chains

Answer

A single chain of organisms that eat each other

Answer

A graph that shows how animals move around

Answer

A map of where animals live

Question 3

Which type of organism makes its own food from sunlight?

Accepted Answer

Grass

Answer

Tiger

Answer

Rabbit

Answer

Sun

Question 4

In a healthy food chain, there are usually more consumers than producers.

Accepted Answer

False

Answer

True

Question 5

What do decomposers do in a food web?

Accepted Answer

Break down dead plants and animals

Answer

Make food for plants

Answer

Eat primary consumers

Answer

Hunt predators

Question 6

What is a keystone species?

Accepted Answer

A species that has a big impact on its ecosystem, even though it is not very common

Answer

A species that is at the top of the food chain

Answer

A species that is a primary producer

Answer

A species that is preyed upon by many other species

Question 7

In a food chain, what type of organism is NOT included?

Accepted Answer

Organism that eats other organisms that have already died

Answer

Organism that produces its own food (Producer)

Answer

Organism that eats plants (Herbivore)

Answer

Organism that eats animals (Carnivore)

Question 8

Which of the following is the starting point of any food chain?

Accepted Answer

Plants that use sunlight to make their own food

Answer

Animals that hunt other animals

Answer

Animals that eat plants

Answer

Organisms that break down dead plants and animals

Question 9

Which animal in the following food chain is at the top?

Accepted Answer

Hawk

Answer

Fox

Answer

Rabbit

Answer

Grass

Question 10

What is the important role of decomposers in a food web?

Accepted Answer

To break down dead organisms and return nutrients to the environment

Answer

To make their own food using sunlight

Answer

To eat plants and help them grow

Answer

To hunt and eat other animals

Question 11

What is the difference between a producer and a consumer in a food chain?

Accepted Answer

Producers make their own food, while consumers eat other organisms

Answer

Consumers make their own food, while producers eat other organisms

Answer

Producers and consumers both make their own food

Answer

Producers and consumers both eat other organisms

Question 12

Which organism in the following food chain is called a primary consumer?

Accepted Answer

Rabbit

Answer

Grass

Answer

Fox

Answer

Hawk

Question 13

Where does the energy in a food chain originally come from?

Accepted Answer

The sun

Answer

Plants

Answer

Animals

Answer

Decomposers

Question 14

What do consumers in a food chain do?

Accepted Answer

Eat other living things

Answer

Make their own food

Answer

Break down dead organisms

Answer

Provide shelter for other organisms

Question 15

Which type of organism is at the very top of a food chain?

Accepted Answer

Apex predator

Answer

Producer

Answer

Primary consumer

Answer

Secondary consumer

Question 16

What is the relationship between a fox and a rabbit in a food chain?

Accepted Answer

Predator and prey

Answer

Producer and consumer

Answer

Host and parasite

Answer

Commensal and mutualist

Question 17

Which of these is NOT a feature of a food web?

Accepted Answer

It is always a straight line

Answer

It shows how living things are connected

Answer

It includes all the food chains in an ecosystem

Answer

It shows how energy flows through an ecosystem

Question 18

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

Accepted Answer

A food web shows all the possible food chains in an ecosystem

Answer

A food chain is a circle, while a food web is a straight line

Answer

A food chain only includes consumers, while a food web includes both producers and consumers

Answer

A food web is always more balanced than a food chain

Question 19

Who eats other living things to get energy?

Accepted Answer

A consumer

Answer

A producer

Answer

A decomposer

Question 20

What do decomposers do in a food web?

Accepted Answer

They break down dead plants and animals.

Answer

They make food for other animals.

Answer

They eat the primary producers.

Question 21

How do temperature and water availability, which are abiotic factors, influence the types of plants and animals that live in an ecosystem?

Accepted Answer

They determine the types of food available to organisms.

Answer

They have no impact on the survival of organisms.

Answer

They only affect the size of organisms.

Question 22

Which living thing makes its own food using sunlight?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Question 23

What do animals that eat other animals do?

Accepted Answer

Consume other animals

Answer

Produce energy

Answer

Break down waste

Question 24

Which of these is NOT food for a rabbit?

Accepted Answer

Meat

Answer

Grass

Answer

Carrots

Question 25

What would happen if all the plant-eaters in an ecosystem disappeared?

Accepted Answer

The ecosystem would stop working.

Answer

The number of plants would increase.

Answer

The number of meat-eaters would increase.

Question 26

Where does most of the energy in a food chain come from?

Accepted Answer

The sun

Answer

Plants

Answer

Animals

Question 27

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

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Question 28

In a food web, what do the arrows mean?

Accepted Answer

The direction of energy flow

Answer

The direction of animal movement

Answer

The direction of plant growth

Question 29

Which of these animals eats only plants?

Accepted Answer

Deer

Answer

Lion

Answer

Snake

Question 30

What happens to the energy in a food chain as it moves from one living thing to the next?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Question 31

What do decomposers do in a food web?

Accepted Answer

Break down dead plants and animals

Answer

Produce oxygen

Answer

Eat plants

Question 32

What is one reason why food webs are helpful?

Accepted Answer

They show us how animals depend on each other for food.

Answer

They tell us how pollution affects the environment.

Answer

They give us food to eat.

Question 33

What do we call an animal that eats both plants and animals?

Accepted Answer

Omnivore

Answer

Herbivore

Answer

Carnivore

Question 34

How do food chains differ from food webs?

Accepted Answer

Food chains show one path of who eats who, while food webs show all possible paths.

Answer

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

Answer

Food chains only include animals, while food webs include both animals and plants.

Question 35

What do we call the different jobs that animals have in a food chain?

Accepted Answer

Food chain roles

Answer

Living places

Answer

Energy levels

Answer

Animal sizes

Question 36

Which animals play a crucial role in keeping the food web balanced and healthy?

Accepted Answer

Keystone species

Answer

Producers

Answer

Consumers

Question 37

In a food chain, which living thing creates its own food using sunlight?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Mushroom

Question 38

In a food chain, which of these is NOT a living organism?

Accepted Answer

Rock

Answer

Rabbit

Answer

Plant

Question 39

In a food chain, which organism is always at the start and makes its own food?

Accepted Answer

Producer (Plant)

Answer

Decomposer (Fungus)

Answer

Predator (Fox)

Answer

Consumer (Rabbit)

Question 40

Which of these animals eats only plants?

Accepted Answer

Rabbit

Answer

Snake

Answer

Lion

Question 41

What is the special job of decomposers in a food web?

Accepted Answer

Break down dead plants and animals

Answer

Make food from sunlight

Answer

Eat other living animals

Answer

Provide homes for other organisms

Question 42

Which of these is a living thing that eats plants?

Accepted Answer

Mouse

Answer

Grass

Answer

Owl

Answer

Fox

Question 43

What happens to the energy as it moves up a food chain?

Accepted Answer

It is mostly lost as heat

Answer

It increases

Answer

It is used up

Answer

It stays the same

Question 44

Which of these food chains shows the correct sequence of who eats whom?

Accepted Answer

Grass -> Grasshopper -> Bird -> Hawk

Answer

Grass -> Bird -> Grasshopper -> Hawk

Answer

Bird -> Hawk -> Grasshopper -> Grass

Answer

Hawk -> Bird -> Grasshopper -> Grass

Question 45

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

Accepted Answer

A food web shows how many different food chains are connected

Answer

A food web is a straight line and a food chain is a circle

Answer

A food chain shows how many different food webs are connected

Question 46

Which of these is an example of a food web?

Accepted Answer

A diagram showing the feeding relationships between many organisms

Answer

A pyramid showing the different levels of who eats whom

Answer

A list of animals in the order they are eaten