Invasive Species

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

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NGSS.MS-LS2-4

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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

Invasive species can have a major impact on the ecosystem.

• TRUE

• FALSE

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NGSS.HS-LS2-2

NGSS.HS-LS2-6

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Invasive species can crowd out native species.

• TRUE

• FALSE

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NGSS.MS-LS2-2

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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 fewer limiting factors in their new environment

• Invasive species keep the ecosystems in equilibrium.

Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

Tags

NGSS.MS-LS2-5

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?