Ecosystems

All the living and nonliving things in an area make up a/an

• community.

• ecosystem.

• population.

• environment.

An _____ is everything that surrounds and affects a living thing.

• ecosystem

• environment

• population

• community

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A ________ is all the members of one kind of plant or animal in a community.

• ecosystem

• environment

• population

• community

All the living things in an ecosystem make up a ________.

• ecosystem

• environment

• population

• community

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

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Is a fern an abiotic or biotic factor? 

• abiotic
• biotic

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

• population
• biotic factor
• abiotic factor
• community

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A nonliving element in an ecosystem is an 

• animal
• abiotic factor
• biotic factor
• organism

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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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What is biotic 

• Something that has organisms and plants 
• Something that has no organisms

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