Biodiversity Review

The number and abundance of species in a biological community is called ___.

• species diversity

• genetic diversity

• ecosystem diversity

• biomass

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NGSS.HS-LS2-1

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What are the main factors in ecosystem diversity?

• organisms and their genetics

• populations and abiotic factors

• weather and abiotic factors

• rivers and abiotic factors

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The idea that forests should be preserved because of their beauty refers to ___.

• medicinal value

• scientific value

• direct economic value

• aesthetic value

What is an example of a direct economic value of biodiversity?

• diseases caused by bacteria

• vaccines created from bacteria

• release of oxygen by green plants

• drinking water provided by watersheds

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How do beetles display genetic diversity?

• with variations in color

• different species in one population

• are identical colors

• have identical genes

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An event in which large percentage of all species become extinct is called?

• biodiversity shift

• background extinction

• mass extinction

• evolutionary shift

Tags

NGSS.HS-LS4-5

Materials such as minerals, soil, fuels, and clean water are called ___.

• bioelements

• natural resources

• heterotrophic resources

• habitats

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What causes the edge effect in habitats?

• eutrophication

• destruction of habitat

• biological magnification

• fragmentation of habitat

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NGSS.HS-LS4-5

According to this table, which statement is true?

• more bird species have been lost than mammal species

• more mammal species have been lost than invertebrates species

• birds have lost a higher percentage of species than mammals

• fish have lost a higher percentage of species than reptiles

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Which organisms are affected most by biological magnification?

• algae

• plants

• wolves

• mice

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