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Biotic Factors in Ecosystems

Explore biotic factors and their roles in different ecosystems for Grade 3 science.

Grade 3 Science BiologyEcosystemsBiotic Factors
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Includes

Fill in the BlanksMultiple ChoiceTrue / FalseShort AnswerWord Bank

Standards

3-LS4-33-LS4-4

Topics

biotic factorsecosystemssciencegrade 3
7 sections · Free to use · Printable
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Biotic Factors in Ecosystems

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Read each question carefully and answer to the best of your ability.

1. Biotic factors are all the   things in an ecosystem.

2. Plants are an example of a   factor.

3. Animals get their energy from   biotic factors.

4. A decomposer breaks down   plants and animals.

1. Which of these is a biotic factor?

a

Water

b

Sunlight

c

Rock

d

Tree

1. All biotic factors are living things.

T

True

F

False

1. Name two biotic factors you might find in a forest.

Use the words below to complete the sentences.

biotic
living
animals
plants

1. All   factors are   things.

2. Both   and   are biotic factors.