Biodiversity and Conservation

Why is biodiversity so important?

• Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
• Because it’s better to have only one variation of each species.
• Because it better to only have a few species on Earth.
• Honestly, I have no idea what biodiversity is!

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High levels of biodiversity tend to

• have little or no effect on ecosystems

• decrease an ecosystem's resistance to change

• increase the stability of an ecosystem

• make an ecosystem less resilient

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Biologists put extra effort into protecting these because they have many species living in them.

• Cities
• Biodiversity Hotspots
• Farms
• Conservation stations

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An event  in which a large percentage of all living species become extinct in a relatively short period of time.

• Habitat fragmentation 
• Mass extinction
• Overexploitation
• Background extinction

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The Sikhote-Allin Mountains, and the Siberian tigers living on them, are separated from other mountain regions in which the tigers could live. The mountains are an example of a(n)

• mass extirpation

• invasive species

• mass extinction

• habitat fragment

The biggest cause of biodiversity loss today is

• climate change

• over-harvesting

• habitat change and fragmentation

• pollution

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What is the major law in the United States that protects biodiversity?

• Convention on Biological Diversity

• Endangered Species Act

• US Fish and Wildlife Service

• Species Survival Plan

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A plan to establish an 8000km long strip of land across eight SE Asian countries to rejoin fragments of habitats is an example of

• wildlife corridor

• world biodiversity treaty

• captive breeding program

• conservation concession

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Technique using living organisms to detoxify a polluted area.

• Sustainable Use

• Endemic

• Bioremediation

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Any different environmental condition occurring along an ecosystem’s boundaries.

• Edge Effect

• Biological Magnification

• Eutrophication

• Invasive Species

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