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Sookdeo ES Ch. 7
Biodiversity, Classification
Question | Answer |
---|---|
biodiversity | variety of life across all levels of ecological organization |
endangered species | species at risk for extinction |
threatened species | vulnerable species likely to become extinct |
habitat fragmentation | change to habitat where parts are suitable and other parts may be unsuitable |
poaching | illegal capture or killing of an organism |
species diversity | number or variety of species in a particular region |
genetic diversity | difference in DNA among individuals within species and populations |
ecosystem diversity | biodiversity above the species level |
extirpation | disappearance of a population from a given area but not globally |
Endangered Species Act | major law that protects biodiversity |
captive breeding | raising and breeding organisms in controlled conditions |
Species Survival Plan | captive breeding in zoos and aquariums |
biodiversity hotspot | area that supports a high number of endemic species |
endemic | species found nowhere else in the world |