Human Impact and How Ecosystems Change

What is deforestation?

• Logging or clearing forests for human use, without replanting trees.

• Logging or clearing forests for human use.

• Replanting trees after cutting them down.

• Removing all forests.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What are the effects of deforestation?

• Fewer plants and animals in an ecosystem.

• Using resources in a way that maintains biodiversity and the health of an ecosystem.

• More water available for plants and animals.

• More land available for animals to live.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is sustainability?

• Fewer plants and animals in an ecosystem.

• Using resources in a way that maintains biodiversity and the health of an ecosystem.

• More water available for plants and animals.

• More land available for animals to live.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-3

NGSS.MS-LS2-5

What is overexploitation?

• Fewer plants and animals in an ecosystem.

• Using resources in a way that maintains biodiversity and the health of an ecosystem.

• The use or extraction of a resource until it is almost gone.

• More land available for animals to live.

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NGSS.MS-ESS3-4

What are the effects of overexploitation? (choose 2)

• Can lead to extinction.

• Negatively affects ecosystems.

• The use or extraction of a resource until it is almost gone.

• More land available for animals to live.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Human Activities ________ habitats so they no longer support the original species that lived there.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Leaving fields bare between planting can also result in ____________ .

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

Soil particles are _______ together -> decreased plant ________, increased ________.

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NGSS.MS-LS1-5

NGSS.MS-LS2-4

Define Invasive Species

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

Describe Flooding.

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NGSS.MS-ESS2-4

NGSS.MS-ESS3-2