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9 Cards in this Set
- Front
- Back
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Concern for human well-being, conservation of biological diverisity and maintenance of natural enviromental processes are the fundamental priorities of
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environmental ethics
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a species with the following qualities: low numbers, unattractive appearence, not utilized by people and that has no relationship with species of economic concern, has little value, what type of arguement will save it from extinction
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intrinsice value
enlightened self interest intergenerational equity |
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questions about how life orginated, ow the diversity of life interact to form complex ecosystems and how humans evolved are cental mysteries in the world of science. HOw are they relevant to biological conservation:
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such questions are interesting, can be solved and thus promote conservation
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dudleya traskiae, the Santa Barbara island live-forever, demonstrates the inherent difficulty with using ethical values to promote conservation
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a the species was endangered by rabbit herbivory so teh rabbit was eleminated
b.hundredss of rabbits were kille to manage the surviving individuals of this species c. one species extinction was avoided by the elimianting individuals of another species |
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which major mass extinction witnessed the demise of the dinosaurs?
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cretaceous
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extinctin threats expressed as a percentage are amound which of the following groups
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manatees and dugongs
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which of the following is true about the current rate of extinction
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1 to 10 of the worlds species would be lost if the backgroud rate persisted
the current observed rate is 1 % per century the current rate is between 100 to 1000X greater thatn expected from the background rate |
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how does Primack explain the increased percentage of bird species recently extinct or currently endangered on islands:
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high percentages are associated with more recent initial human occupation
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MacArthur and wilsons model of island biogeography predicts species richness from area
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immigration and extinctions
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