Unit 6 Sustaining Biodiversity & Conservation

This type of diversity measures the richness & complexity of a biological community.

• species diversity

• genetic diversity

• ecological diversity

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NGSS.HS-LS2-2

This type of diversity measures the variety of versions of a trait within an individual species.

• species diversity

• genetic diversity

• ecological diversity

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following areas around the world have very high levels of biodiversity?

MARK ALL THAT APPLY.

• Coral reefs

• Tropical rainforests

• Deciduous forests

• Estuaries

• Deserts

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NGSS.HS-LS2-6

NGSS.HS-LS4-5

Which of the following statements is true regarding ecological services from ecosystems?

• Coral reefs provide erosion prevention.

• Most of the world depends on wild insects pollinators for crops.

• Less than 10% of prescription medicines contain some natural product

• Deserts play important roles in global climate & water supplies.

• Only island nations rely on fisheries but they are important for those few countries.

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NGSS.HS-LS2-6

Which of the following statements is TRUE of extinctions?

• This is normal process - about 1 species lost every decade.

• Human impacts have had very little affect on the rate of extinctions.

• Extinctions result in the reduction in the number of individuals of a species.

• Extinctions only apply to animals that are lost.

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NGSS.HS-LS4-5

Current evidence suggests that the five mass extinctions that have occurred in our planet's past are most likely the result of...?

• Climate changes triggered by massive volcanic eruptions or large asteroid strikes

• The evolution of better species that just outcompeted vast numbers of species at a time.

• Human activities

• Increased development of more predators than prey

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NGSS.HS-LS4-5

Which of the following is NOT a threat to biodiversity?

• Pollution

• Habitat destruction

• Keystone species

• Invasive species

• Overharvesting

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NGSS.HS-LS2-7

NGSS.HS-LS4-5

Which of the following threats to biodiversity is the greatest concern?

• invasive species

• habitat destruction

• overharvesting

• pollution

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NGSS.HS-LS2-7

NGSS.HS-LS4-5

Organisms that thrive in new territory where they are free of predators, diseases or resource limitations that may have controlled their population in their original habitat.

• indicator species

• flagship species

• invasive species

• keystone species

• umbrella species

Toxic pollutants have disastrous effects on local populations. Which trophic level is often most susceptible to these pollutants?

• secondary or tertiary consumers

• primary consumers

• producers

• detritivores

• decomposers

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NGSS.HS-LS4-5