Threats and Conservation of Biodiversity

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

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What is the variety of ecosystems that are present in the biosphere?

• species diversity

• genetic diversity

• ecosystem diversity

• biodiversity

Tags

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What is the variety of genes present?

• bidiversity
• species diversity
• extinction
• genetic diversity

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The number of different species and the abundance of each species in a biological community.

• genetic diversity
• ecosystem diversity
• extinction
• species diversity

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_______ happens when fertilizers, animal waste, sewage or other substances rich in nitrogen and phosphorus are lost into waterways causing excessive algae growth.

• Eutrophication
• Introduced species
• Biological Augmentation
• Nonrenewable Resource

______ ______ includes thing like minerals, fossil fuels, plants, animals, clean water, and solar energy.

• Overexpoitation
• Natural Resources
• Nonrenewable Resources

The use of living natural organisms to detoxify a polluted area?

• Biological Augmentation
• Introduced Species
• Bioremediation

What effect is shown in this picture? (The pond is green from algae).

• biomagnification
• eutrophication
• habitat fragmentation
• invasive species

The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.

• biomagnification
• overexploitation
• edge effects
• natural resource

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NGSS.HS-LS2-7

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The process shown here is called __.

• biomagnification
• eutrophication
• invasive species
• mass extinction