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 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

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Species that are only found in a specific geographic area are _______.

• Introduced species

• Local species

• Endemic

• Biodiversity hot spot

The process shown here is called __.

• biomagnification
• eutrophication
• invasive species
• mass extinction

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the breaking of habitats into smaller pieces is called...

• habitat division

• habitat pollution

• habitat corruption

• habitat fragmentation

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The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the Convention on Biological Diversity are examples of

• organizations that promote poaching.

• international organisation on climate change.

• international treaties to protect biodiversity.

• laws to increase the number of species

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Extinction rates are significantly __________ in recent decades than before.

• Lower

• Higher

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Biologists put extra effort into protecting these because they contain ~60% of the world's species

• National parks

• Biodiversity Hotspots

• Tropical rainforests

• Conservation stations

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