Chapter 7 Environmental Science Biodiversity and Conservation

Tigers living in warm climates have thinner coats of fur than tigers living in cool climates.  This is a result of 

• genetic diversity
• species diversity
• ecosystem diversity
• general diversity

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The sum total of all organisms in an area, taking into account the variety of species, their genes, their populations, and their communities, is called _________________________.

• species diversity

• biodiversity

• genetic diversity

• ecosystem health

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Which is the most direct way in which biodiversity can provide a source of income?

• medicines
• ecotourism
• research
• agriculture

The differences in DNA among individuals within species and populations is called

• biodiversity hotspot

• genetic diversity

• endemic

• species diversity

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The Sikhote-Alin 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 fragmentation

Archaeological evidence shows that in case after case, a wave of ______________________ followed whenever humans arrived on islands and continents.

• biodiversity

• treaty

• extinctions

• endemic

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To manage, protect, and reintroduce threatened and endangered species are the goals of 

• wildlife corridors 
• conservation concessions
• Species Survival Plans
• biodiversity hotspots

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When nations ratify a _________________, they promise to uphold the laws that are described.

• biodiversity

• genetic diversity

• mass extinction

• treaty

Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity is called a 

• debt-for-nature swap
• conservation concession
• Species Survival Plan
• wildlife corridor

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A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of

• taxonomic diversity
• genetic diversity
• ecosystem diversity
• species diversity

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