Abiotic and Biotic Factors

An abiotic factor is defined as

• A nonliving factor in an ecosystem

• A living factor in an ecosystem

• A dead factor in an ecosystem

• Any factor in an ecosystem

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NGSS.MS-LS2-3

A biotic factor is defined as

• A nonliving factor in an ecosystem

• Only the living factors in an ecosystem

• Living or once living factors in an ecosystem

• All factors in an ecosystem

Circle 3 biotic factors

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

Water, oxygen and sunlight are all _________ factors.

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NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Which is NOT an example of a biotic factor?

• Rotting log

• Fish skeleton

• Turtle shell

• Carbon dioxide

How would an increase in the coyote population affect the ecosystem in the Black Hills?

• The rabbits will decrease in population

• The deer population would increase

• There would be significantly less oxygen available

• The grasses in the area would become less abundant

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Biotic factors can be affected by abiotic factors. (T/F)

• True

• False

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

Biotic factors can affect other biotic factors in an ecosystem (T/F).

• True

• False

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

Write a list of 3 abiotic factors around our school.

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NGSS.MS-LS2-3

All the biotic factors within a specific geographic area is called a(n)

• Ecosystem

• Habitat

• Population

• Community