Ch 22 Guiding Questions

1) What are 5 factors that affect biodiversity?

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2) What 6 factors tend to decrease biodiversity?

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3) Summarize briefly to what extent humans have impacted biodiversity.

4) Compare and contrast LOCAL EXTINCTION, ECOLOGICAL EXTINCTION, & BIOLOGICAL EXTINCTION:

5) Compare and contrast ENDANGERED SPECIES & THREATENED SPECIES:

6) Compare and contrast PVA, MVP, & MDA according to your text:

7) What evidence is there that humans are drastically affecting extinction rates?

8) What is the INSTRUMENTAL VALUE of a species? Give examples:

9) What is the INTRINSIC VALUE of a species? Give exampes:

10) Please describe how each of the following threatens biodiversity:

-habitat loss

-habitat degradation

-habitat fragmentations

-nonnative species

-deliberately introduced species

-accidentally introduced species

-hunting and poaching

-exotic plant and animal markets

11) What roles can each of the following play in protecting species? Explain each.

-bioinformatics

-international treaties

-national laws

-private land owners

-refuges

-gene banks

-zoos and aquariums

-wildlife management

-vegetation and water manipulation

-sports hunting

Vocab to KNOW:

bioinformatics (p. 582)

endangered species (p. 563)

flyways (p. 590)

habitat fragmentation (p. 573)

intrinsic value (p. 569)

instrumental value

minimum dynamic area (MDA) (p. 567)

minimum viable population (MVP) (p. 566)

nonnative species (p. 574)

population viability analysis (PVA) (p. 566)

threatened (vulnerable) species (p. 563)