Describing Ecosystems

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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Which is a non-living part of an ecosystem?

• Sunlight
• Air
• Water
• All of these

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What is the name for all the animals of the same species living in an ecosystem?

• Population
• Community

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What is the name for all the living things in an ecosystem?

• Population
• Community

The part of Earth where organisms can live.

• biotic factors
• biosphere
• ecology
• biology

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A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

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Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

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Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

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Which is a biotic factor?

• sunlight
• air 
• bacteria
• all of the above

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The role of an organism in its ecosystem is called the organism's __________.

• hot roll
• niche
• leading role
• role of a lifetime

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