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Ch 16

Across
Sum total of the various species, genes, and ecosystems on earth
A species used in conservation because it has a wide range, so protecting it will protect many other species and habitats
When large tracts of land are cleared of all vegetation
When all individuals of a species are completely removed from earth
Values that lead to conservation of species because of their use for humans
Chemical released when fossil fuels are burned that contributes to acid rain
Geographical regions of very high biodiversity that are at a high risk of becoming endangered
A species with quickly dropping numbers throughout its range
Down
A non-native species that multipies rapidly and out-competes native species
A species that is used in conservation efforts because it receives a lot of public support
The current, human-caused mass extinction event
A chemical that is released into the atmosphere that contributes to global climate change
The area surrounding a protected area where only limited human us is permitted
The chemical in the atmosphere that is broken down when CFCs are released