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Grade 5 Science · Ecosystems and Food Webs

Grade 5 Ecosystems and Food Webs Practice Test

Build Grade 5 Science skills with five 10-question practice tests on ecosystem parts, habitats, producers, consumers, decomposers, food chains, food webs, and environmental changes.

Ecosystems and Food Webs Practice Tests

These Grade 5 Science practice tests help students explain how living and nonliving parts of ecosystems interact. Students identify habitats, populations, producers, consumers, decomposers, food chains, food webs, energy flow, matter cycling, population changes, and human impacts.

Skills covered

  • Identifying biotic and abiotic ecosystem factors
  • Distinguishing habitats, populations, communities, and ecosystems
  • Classifying producers, consumers, and decomposers
  • Reading food chains and connected food webs
  • Tracing energy flow and nutrient cycling
  • Explaining population changes, competition, and adaptations
  • Using evidence to evaluate habitat restoration and human impacts

How to use these practice tests

Start with the organism or factor described. Decide whether it is living or nonliving, identify its role in the food web, and trace what may happen when food, water, shelter, predators, or environmental conditions change.

For more Grade 5 Science practice, return to the Grade 5 Science category.

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Grade 5 Ecosystems and Food Webs Practice Tests

A 10-question Grade 5 Science practice test on ecosystems, habitats, populations, producers, consumers, decomposers, food chains, food webs, and environmental changes.

Identify the ecosystem role or relationship in each question, then trace how energy, matter, resources, and population changes affect the food web.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

Which statement best explains energy flow in a food web?

Please select an answer first.

Correct answer: A

The correct answer is Energy enters through producers and moves to consumers and decomposers through feeding relationships..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: Producers capture energy, and organisms transfer it as they eat one another or decompose material.
  3. Choose the best explanation: The correct choice is Energy enters through producers and moves to consumers and decomposers through feeding relationships..

Producers capture energy, and organisms transfer it as they eat one another or decompose material.

2. QuestionMultiple choice

Which statement best explains matter cycling in an ecosystem?

Please select an answer first.

Correct answer: B

The correct answer is Decomposers return nutrients from dead organisms to the environment for producers to use..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: Decomposition recycles matter between living organisms and the environment.
  3. Choose the best explanation: The correct choice is Decomposers return nutrients from dead organisms to the environment for producers to use..

Decomposition recycles matter between living organisms and the environment.

3. QuestionMultiple choice

Which model best represents a food web?

Please select an answer first.

Correct answer: C

The correct answer is Several connected arrows link plants, herbivores, omnivores, predators, and decomposers..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: A food web uses multiple connections to represent feeding relationships.
  3. Choose the best explanation: The correct choice is Several connected arrows link plants, herbivores, omnivores, predators, and decomposers..

A food web uses multiple connections to represent feeding relationships.

4. QuestionMultiple choice

Which organism would be most directly affected if a pond lost its algae?

Please select an answer first.

Correct answer: D

The correct answer is Small animals that eat algae..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: Algae are a food source for small pond consumers, so they are directly affected.
  3. Choose the best explanation: The correct choice is Small animals that eat algae..

Algae are a food source for small pond consumers, so they are directly affected.

5. QuestionMultiple choice

Which question could be tested in a school garden ecosystem?

Please select an answer first.

Correct answer: A

The correct answer is How does the number of flowering plants affect the number of pollinators observed?.

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: The question includes measurable variables connected to an ecosystem relationship.
  3. Choose the best explanation: The correct choice is How does the number of flowering plants affect the number of pollinators observed?.

The question includes measurable variables connected to an ecosystem relationship.

6. QuestionMultiple choice

What should a student record when studying pollinators in a garden?

Please select an answer first.

Correct answer: B

The correct answer is The kinds and numbers of pollinators, flower types, weather, and observation times..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: These observations provide evidence about organisms and environmental conditions.
  3. Choose the best explanation: The correct choice is The kinds and numbers of pollinators, flower types, weather, and observation times..

These observations provide evidence about organisms and environmental conditions.

7. QuestionMultiple choice

Why should observations be repeated on different days?

Please select an answer first.

Correct answer: C

The correct answer is Repeated observations help identify patterns instead of relying on one unusual visit..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: Repeated data improve confidence and show how conditions change.
  3. Choose the best explanation: The correct choice is Repeated observations help identify patterns instead of relying on one unusual visit..

Repeated data improve confidence and show how conditions change.

8. QuestionMultiple choice

Which conclusion is supported if pollinators are more numerous where native flowers grow?

Please select an answer first.

Correct answer: D

The correct answer is Native flowers may provide resources that support more pollinators under the observed conditions..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: The conclusion connects observed flowers and pollinators while staying within the evidence.
  3. Choose the best explanation: The correct choice is Native flowers may provide resources that support more pollinators under the observed conditions..

The conclusion connects observed flowers and pollinators while staying within the evidence.

9. QuestionMultiple choice

Which environmental change could reduce the energy available to a food web?

Please select an answer first.

Correct answer: A

The correct answer is A loss of producers because of pollution or habitat destruction..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: Producers bring energy into the food web, so losing them affects consumers and decomposers.
  3. Choose the best explanation: The correct choice is A loss of producers because of pollution or habitat destruction..

Producers bring energy into the food web, so losing them affects consumers and decomposers.

10. QuestionMultiple choice

Which sentence best summarizes ecosystems and food webs?

Please select an answer first.

Correct answer: B

The correct answer is Living and nonliving parts interact, and energy and matter move through connected relationships..

  1. Identify the ecosystem role: Decide whether the question describes a living part, nonliving factor, feeding relationship, habitat, or population change.
  2. Trace the relationship: This summary connects ecosystem components, energy flow, matter cycling, and feeding relationships.
  3. Choose the best explanation: The correct choice is Living and nonliving parts interact, and energy and matter move through connected relationships..

This summary connects ecosystem components, energy flow, matter cycling, and feeding relationships.

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Frequently asked questions about Grade 5 Ecosystems and Food Webs

What is a food web?

A food web is a group of connected food chains that shows how energy and food move among organisms in an ecosystem.

Why are producers important?

Producers bring energy into many ecosystems by making food, usually with light energy, and support consumers and decomposers.

How many questions are on this page?

The page includes five mini tests with 10 questions each, for 50 Grade 5 Ecosystems and Food Webs questions in total.