Study Jams Ecosystems

Why would algae grow in a lake?

• because the lake is polluted

• because the lake is a newly created ecosystem

• because there are not a lot of fish in the lake

• because a natural disaster destroyed the lake

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NGSS.MS-LS1-5

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What is the purpose of succession?

• to put an end to the creation of new ecosystems

• to form a complete ecosystem

• to have ecosystems that last no longer than 2 years

• to eliminate the need for conservation

the living parts of an ecosystem

• biotic factors

• biology

• abiotic factors

• animals

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The non living parts of an ecosystem

• abiotic factors

• biotic factors

• oxygen

• soil

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What are the biotic factors in this image?

• sunlight, elephants, and grasses

• sunlight, water,  and air

• elephants, plants, trees 

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NGSS.MS-LS2-1

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What is an ecosystem?

• A group of animals that are the same species.

• Soil, water, air and sunlight

• All the living and non living things that interact in an area.

• North America

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NGSS.MS-LS2-3

Is a deer an abiotic or biotic factor? 

• abiotic

• biotic

Is a fern an abiotic or biotic factor? 

• abiotic

• biotic

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NGSS.MS-LS2-3

Is sunlight an abiotic or biotic factor? 

• abiotic

• biotic

A living or once-living organisms in an ecosystem is a

• population

• biotic factor

• abiotic factor

• community

Tags

NGSS.MS-LS1-1