Generation Genius: Competition in Ecosystems

Living things depend on many different ___________ in order to survive.

• resources

• ecosystem

• environment

• interact

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Environments include both _________ ____ ________ things.

• resources and factors

• air and water

• living and nonliving

• buildings and animals

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For populations to continue to survive, some organisms in the population must ___________.

• grow

• reproduce

• eat

• die

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Characteristics such as height, hair color, and tongue length are _____factors.

• environmental

• ecosystem

• population

• genetic

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Ecosystems depend on organisms to _____ with each other to maintain stability.

• interact

• build

• eat

• grow

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Organisms are the _____ things in an ecosystem.

• factors

• living

• resources

• nonliving

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Air, water, and sunlight are all _____ components of an ecosystem.

• factors

• man-made

• nonliving

• living

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Wildlife biologists study_____.

• populations in ecosystems

• only wild animals

• only plants

• farm animals

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Plants compete for air, water, and ____ within ecosystems.

• space

• sunlight

• space and sunlight

• water

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An invasive species is a plant or animal that is ____ to an ecosystem.

• not native

• just visiting

• beneficial

• not real

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