6.4 Biodiversity

What is biodiversity?

• The variety of living things

• The study of ecosystems

• The number of species in a habitat

• The genetic makeup of an organism

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Which type of biodiversity measures the variety of versions of the same genes within individual species?

• Species diversity

• Ecological diversity

• Genetic diversity

• Habitat diversity

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What does species diversity describe?

• The genetic variations within a species

• The number of different kinds of organisms within a community or ecosystem

• The complexity of a biological community

• The number of ecosystems in a region

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NGSS.MS-LS2-5

What is ecological diversity?

• The variety of genes within a species

• The number of species in an ecosystem

• The richness and complexity of a biological community

• The number of ecosystems in a biome

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Where are most of the world's biodiversity concentrations located?

• Near the poles

• Near the equator

• In urban areas

• In deserts

What percentage of the world's species live in North America and Europe?

• 5 to 10 percent

• 10 to 15 percent

• 20 to 25 percent

• 30 to 35 percent

Which areas can also have high concentrations of unique species and biodiversity?

• Urban areas

• Areas isolated by water, deserts, or mountains

• Industrial regions

• Polar regions

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What is one way wild plant species contribute to human food supplies?

• By providing shelter for animals

• By improving domestic crops with genetic material

• By reducing soil erosion

• By increasing water supply

Which organisms are mentioned as providing pollination for agricultural crops?

• Wild bees, moths, and bats

• Domestic dogs and cats

• Fish and amphibians

• Reptiles and birds

How much do pharmaceutical products derived from biodiversity contribute annually?

• More than $10 billion

• More than $20 billion

• More than $30 billion

• More than $40 billion

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