7.10B Biodiversity

Which indicator most likely limits the sustainability of organisms within an ecosystem?

• Amount of annual precipitation

• Lack of diversity of organisms within the ecosystem

• Ecosystem checks and balances

• Presence of decomposers

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Which organisms help increase the biodiversity of an ecosystem and conserve and recycle resources?

• Producers

• Parasites

• Predators

• Decomposers

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A predator of several organisms is introduced into an ecosystem. How might it affect the biodiversity of the environment?

• Biodiversity increases as the number of species decreases

• Biodiversity increases as the number of species increases

• Biodiversity remains constant as the number of species decreases

• Biodiversity decreases as the number of species increases

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Which food web has the greater biodiversity?

• Food Web X

• Food Web Y

• They have equal biodiversity

• There is not enough information to determine biodiversity

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Scientists observe two different habitats in North America. In the event of a natural disaster, which habitat most likely survives and has the ability to rebuild?

• Habitat 2 survives and rebuilds because there are less species that escape the natural disaster

• Habitat 1 survives and rebuilds because there is less biodiversity

• Habitat 1 survives and rebuilds because there is more biodiversity

• Habitat 2 survives and rebuilds because there is less biodiversity

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Which location has the lowest biodiversity?

• Vegetable garden

• Forest

• Corn field

• Lake

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Which increase is NOT important to the biodiversity in an ecosystem?

• Number of different species

• Number of animals in a single species

• Number of producer species

• Number of predator species

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The impact of vanishing species will be highest if there is a significant loss of -

• manmade resources

• biodiversity

• ecological problems

• conservation

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Which activity negatively impacts biodiversity and the sustainability of an ecosystem?

• Boosting an ecosystem's productivity

• Ensuring natural sustainability of all living organisms

• Assisting ecosystems in recovering from disasters

• Human interference causing extinction of organisms

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Biodiversity results in a healthy ecosystem. How can humans make a positive impact on sustaining an ecosystem's biodiversity?

• Ensure appropriate conservation of natural resources

• Increase industrial fishing

• Exploit land and its resources

• Reserve more land for waste containment

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