Biodiversity

the variety of life in the world or in a particular habitat or ecosystem

• biodiversity

• demography

• carrying capacity

• poaching

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NGSS.MS-LS2-5

The level of biodiversity that involves a variety of habits and communities is _____ diversity.

• ecosystem

• population

• genetic

• species

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NGSS.MS-LS2-5

Why is biodiversity important to ecosystems?

• It helps populations adapt to ecological changes.

• It increases at each level of the food chain.

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Food Web B is an example of...

• Low biodiversity and low sustainability. If the producer dies then all the food web will suffer.

• High biodiversity and high sustainability. If an organism is removed the food web will continue with no effect.

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NGSS.MS-LS2-3

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NGSS.MS-LS2-5

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

• If one organism is removed the food web can still operate (work) with little or no negative effect.

• If an organism is removed the food web will collapse and will affect the environment.

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

The lionfish is a venomous fish found primarily in the Red Sea and the Indian Ocean. In the 1990s, lionfish were accidentally released into the Atlantic Ocean, where they found abundant resources and favorable environmental conditions. Which of the following scenarios is most likely to result in the lionfish having a major impact on the communities into which they were introduced?

• With no natural predators, the lionfish population will become very large.

• Some native species of invertebrates will develop a resistance to lionfish venom.

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NGSS.MS-LS2-1

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Which habitat exhibits the greatest biodiversity?

• A habitat with 15 different species with about 300 individuals each

• A habitat with 10 different species with about 75 individuals each

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NGSS.MS-LS2-1

Which biome is more biodiverse?

• Desert

• Sand

• Tundra

• Rainforest

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NGSS.MS-LS2-5

 Which biome is more likely to survive a change in the environment?

• High (rich) biodiversity

• Low (poor) biodiversity

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

Image "B" shows more biodiversity than image "A". Why?

• Because "B" shows more different species than image "A"

• Because image "B" has less different species than "A"

• "A" has a greater number of same species plants so this statement is wrong.

• Both images show the same biodiversity

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NGSS.MS-LS2-1