Science Quiz / APES 2012 Jackie Grohnke Ch 9

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Can you name the Vocabulary Terms in Chapter 9?

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DefinitionVocab Word
When a species can no longer be found anywhere on the earth
The acronym biodiversity researchers use to summarize the most important direct causes of extinction resulting from human activites
Wild species with so few individual survivors that the species could soon become extinct in all or most of its natural range
When substantial preliminary evidence indicates that an activity can harm human health or the environment, we should take precautionary measures to prevent or reduce such harm even
Natural, low rate of species extinction
Expressed as a percentage or number of species that go extinct within a certain time period
Wild species that is still abundant in its natural range but is likely to become endangered because of a decline in numbers
The extinction of many species in a relatively short period of geologic time
Occurs when a large, intact area of habitat is divided into smaller, isolated patches or 'habitat islands'
When some or all of the wild individuals of a critically endangered species are collected for breeding in captivity, with the aim of reintroducing the offspring into the wild

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