Effects of invasive species

If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?

• Increase

• Decrease

• Stay the same

• No affect on smaller fish

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

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What's one EFFECT of pythons invading the Everglades?

• the number of small mammals, like mice, are decreasing

• the number of white-tailed deer is increasing

• pythons can grow to be 18 feet long

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is an invasive species?

• An organism that is new to an environment that has positive effects on the environment.

• An organism that is native to an environment that has negative effects on the environment.

• An organism that is new to an environment that has negative effects on the environment.

• An organism that is native to an environment that has positive effects on the environment.

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NGSS.MS-LS2-2

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Invasive species cause harm to the --- [choose 3]

• economy.

• atmosphere only.

• environment.

• health of organisms.

• water only.

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NGSS.MS-LS2-4

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TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally.

• True

• False

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NGSS.MS-LS2-4

Why do the populations of invasive species grow so quickly? 

• Invasive Species are native to an area. 

• Invasive species are prey to many animals.

• Invasive species have no predators.

• Invasive species keep the ecosystems in equilibrium.

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NGSS.MS-LS2-4

An introduced species that threatens the environmental resources and other organisms within its habitat.

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NGSS.MS-LS2-5

What makes a species invasive?

• Moving to a new ecosystem and taking resources from natives

• Not having papers

• Species that can't adapt

• Plants that take up too much space

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The cane toad was brought to Australia from the island of Hawaii. The toad had been introduced to Hawaii some time earlier, but has not had the same kind of destructive effects there as it has in Australia.

What could explain why the toad has not become invasive in Hawaii as it did in Australia?

Evaluate responses using AI:

OFF

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NGSS.MS-LS2-2

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Invasive species can cause or lead to the --- [choose 2]

• increase of native plants and animals.

• habitats to be permanently altered.

• decrease of invasive plants and animals.

• extinction of native plants and animals.

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