Food Chains and Food Webs: Interactive Learning Quizzes for 5th Grade Science

Question 1

The correct order of energy flow in a food chain is:

Accepted Answer

Producer → Primary Consumer → Secondary Consumer → Tertiary Consumer

Answer

Tertiary Consumer → Secondary Consumer → Primary Consumer → Producer

Answer

Primary Consumer → Secondary Consumer → Tertiary Consumer → Producer

Answer

Producer → Tertiary Consumer → Secondary Consumer → Primary Consumer

Question 2

In a forest, deer eat plants and mountain lions eat deer. Which animal is the secondary consumer?

Accepted Answer

Mountain lions

Answer

Plants

Answer

Deer

Answer

Mushrooms

Question 3

A change in the population of one organism in a food web can have a domino effect on other organisms. This is called a:

Accepted Answer

Trophic cascade

Answer

Food chain disruption

Answer

Ecosystem collapse

Answer

Negative feedback loop

Question 4

The transfer of energy from one organism to the next in a food chain is called:

Accepted Answer

Trophic transfer

Answer

Photosynthesis

Answer

Cellular respiration

Answer

Decomposition

Question 5

Which of these shows a food web in a marine ecosystem?

Accepted Answer

Phytoplankton → Zooplankton → Small fish → Large fish → Sharks

Answer

Grass → Grasshopper → Snake → Hawk

Answer

Leaves → Caterpillars → Birds → Foxes

Answer

Flowers → Honeybees → Pollen

Question 6

Organisms that break down dead organisms and return nutrients to the environment are called:

Accepted Answer

Decomposers

Answer

Producers

Answer

Consumers

Answer

Scavengers

Question 7

As energy moves up a food chain, some energy is lost. This loss is known as the:

Accepted Answer

10% rule

Answer

Trophic efficiency

Answer

Ecological pyramid

Answer

Food chain limitation

Question 8

In a food web, which organisms are at the top of the food chain?

Accepted Answer

Apex predators

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 9

How does energy move through a food web?

Accepted Answer

From producers to consumers to decomposers

Answer

From consumers to producers to decomposers

Answer

From decomposers to producers to consumers

Answer

Energy is not transferred through a food web

Question 10

In a food web, which organisms can be found at multiple levels of the food chain?

Accepted Answer

Omnivores and decomposers

Answer

Producers only

Answer

Primary consumers only

Question 11

Which of these is a primary consumer?

Accepted Answer

Grasshopper

Answer

Eagle

Answer

Snake

Question 12

In a temperate forest, which of these is likely to be a producer?

Accepted Answer

Tree

Answer

Squirrel

Answer

Fox

Question 13

What would happen if all the herbivores in a food web suddenly disappeared?

Accepted Answer

The producer population would decrease

Answer

The carnivore population would increase

Answer

The decomposer population would increase

Question 14

Which of these is a feature of a stable food web?

Accepted Answer

High biodiversity

Answer

Low interconnectedness

Answer

Fast energy transfer

Question 15

How are food webs different from food chains?

Accepted Answer

Food webs show how different organisms are connected at different levels

Answer

Food chains are straight lines, while food webs are like branching trees

Answer

Food chains only include animals, while food webs include all living things

Question 16

Where does all the energy in food chains and food webs originally come from?

Accepted Answer

The sun

Answer

Decomposers

Answer

Primary consumers

Answer

Herbivores

Question 17

Which organism in a food chain makes its own food using sunlight?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Hawk

Question 18

Which animal eats other animals and is at the top of the food chain?

Accepted Answer

Hawk

Answer

Mouse

Answer

Snake

Answer

Grasshopper

Question 19

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

Accepted Answer

It decreases

Answer

It stays the same

Answer

It increases

Answer

It becomes more concentrated

Question 20

What is the role of decomposers in a food chain?

Accepted Answer

To break down dead plants and animals

Answer

To hunt and kill prey

Answer

To produce food for consumers

Answer

To store energy

Question 21

How can a new animal entering an ecosystem affect a food web?

Accepted Answer

Both creating and disrupting food chains

Answer

Creating new food chains

Answer

Disrupting existing food chains

Answer

It has no effect on food chains

Question 22

What's a key difference between a food chain and a food web?

Accepted Answer

A food chain shows one energy path, while a food web shows many.

Answer

A food chain includes decomposers, unlike a food web.

Answer

A food chain can't be shown as a diagram, but a food web can.

Answer

A food chain always starts with a producer, but a food web doesn't.

Question 23

Which of the following living things makes its own food from sunlight?

Accepted Answer

Grass

Answer

Rabbit

Answer

Snake

Answer

Hawk

Question 24

What do consumer organisms do in a food chain?

Accepted Answer

Eat other living things

Answer

Make their own food

Answer

Break down dead plants and animals

Answer

Provide homes for other organisms

Question 25

What happens to energy as it moves through a food chain?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It gets lost

Question 26

Living things that make their own food using sunlight are called:

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Predators

Question 27

Which of the following eats other organisms to get energy?

Accepted Answer

Consumers

Answer

Producers

Answer

Decomposers

Answer

Omnivores

Question 28

What happens if one part of a food web is removed?

Accepted Answer

The whole system can be affected

Answer

Only the plants will die

Answer

Only the top predators will die

Answer

Nothing will happen

Question 29

How do temperature, water, and sunlight affect food chains?

Accepted Answer

They decide which plants and animals can live in a place.

Answer

They don't affect food chains.

Answer

They only affect the decomposers in a food chain.

Question 30

How can changes in one food chain affect other food chains in an ecosystem?

Accepted Answer

Changes in a food chain can affect the availability of food resources for organisms in other connected food chains.

Answer

Changes in one food chain have no impact on other food chains.

Answer

Changes in a food chain only affect the organisms directly connected to that chain.

Answer

Changes in a food chain can lead to the extinction of entire species in the ecosystem.

Question 31

In a food chain, what type of organism is the first to produce its own food using energy from the sun?

Accepted Answer

Producer

Answer

Consumer

Answer

Decomposer

Answer

Predator

Question 32

Which organism in a food chain eats only plants?

Accepted Answer

Herbivore

Answer

Omnivore

Answer

Carnivore

Answer

Decomposer

Question 33

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

Accepted Answer

Breaking down dead organisms and waste

Answer

Producing food for other organisms

Answer

Consuming other animals

Answer

Transferring energy to higher levels

Question 34

An organism that eats both plants and animals is called a:

Accepted Answer

Omnivore

Answer

Carnivore

Answer

Herbivore

Answer

Producer

Question 35

What is the term for the interconnected food chains within an ecosystem?

Accepted Answer

Food web

Answer

Food chain

Answer

Trophic level

Answer

Ecosystem pyramid

Question 36

What is the first level in a food web called?

Accepted Answer

Producer level

Answer

Consumer level

Answer

Decomposer level

Answer

Apex predator level

Question 37

What is the original source of energy for all living organisms in a food web?

Accepted Answer

Sun

Answer

Plants

Answer

Animals

Answer

Decomposers

Question 38

In a forest ecosystem, which of the following represents a food chain?

Accepted Answer

Leaves → Caterpillar → Bird

Answer

Bird → Caterpillar → Leaves

Answer

Caterpillar → Bird → Leaves

Answer

Leaves → Bird → Caterpillar

Question 39

When studying food chains and food webs, models can be helpful. However, they also have some limitations. Which of the following is NOT a limitation of using models?

Accepted Answer

Models can provide completely accurate information.

Answer

Models can make complex systems easier to understand.

Answer

Models can help identify key interactions between organisms.

Answer

Models can be used to predict future changes in ecosystems.

Question 40

In a food chain, which of these is **not** an organism that eats other organisms?

Accepted Answer

Grass

Answer

Rabbit

Answer

Hawk

Answer

Worm

Question 41

In a food web, how does energy flow from one organism to another?

Accepted Answer

Energy flows from producers to consumers, and from consumers to other consumers.

Answer

Energy flows from consumers to producers, and from producers to other producers.

Answer

Energy flows in a circle, from producers to consumers and back to producers.

Question 42

In a forest ecosystem, removing which organism would have the greatest impact on the food web and make it less stable?

Accepted Answer

Keystone predator (e.g., wolf)

Answer

Deer

Answer

Primary producer (e.g., tree)

Question 43

What is NOT a living component of a food chain?

Accepted Answer

Water

Answer

Animal

Answer

Plant

Answer

Decomposer

Question 44

Which type of organism is always the first link in a food chain?

Accepted Answer

Producer

Answer

Herbivore

Answer

Decomposer

Answer

Consumer

Question 45

Which of the following is an example of a primary consumer, also known as a herbivore?

Accepted Answer

Rabbit

Answer

Fox

Answer

Grass

Answer

Eagle

Question 46

What is the role of decomposers in a food chain?

Accepted Answer

Break down dead organisms

Answer

Consume plants

Answer

Hunt other animals

Answer

Produce food for other organisms

Question 47

Which of the following is a characteristic of a food web?

Accepted Answer

Interconnected food chains

Answer

Small number of organisms

Answer

Single line of energy flow

Answer

No decomposers

Question 48

How does energy flow through a food chain?

Accepted Answer

From producer to consumer

Answer

Randomly between organisms

Answer

Not at all

Answer

From consumer to producer

Question 49

What happens to the amount of energy available at higher levels of a food chain?

Accepted Answer

Decreases

Answer

Varies randomly

Answer

Increases

Answer

Stays the same

Question 50

Which of the following factors can negatively affect a food web?

Accepted Answer

Habitat destruction

Answer

Higher temperatures

Answer

More precipitation

Answer

Increased sunlight

Question 51

Which of the following actions can help to protect food webs?

Accepted Answer

Conserving habitats

Answer

Using large amounts of pesticides

Answer

Introducing non-native species

Answer

Overfishing