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Unformatted text preview: habitat. Today we often discuss loss of habitat, but this loss is generally not a physical loss of geography, but a change in that habitat which results in an area no longer suitable for the individuals who originally lived there. Humans have done much in the past few centuries to alter habitat, to the detriment of thousands of species. Species that have narrow gene pools (are highly specialized) and/or have restricted distribution are more vulnerable to changing environments. Those who are large-dimensioned and have greater resource demands are more vulnerable. Equally vulnerable are species perceived by humans as physically threatening, in particular the large carnivores, and most particularly cats, wolves and bears. Karner Butterfly – Lupine restricted Devil's Hole Pupfish – One Nevada Location...
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This note was uploaded on 12/29/2011 for the course BIO 151 taught by Professor Edwards during the Spring '10 term at SUNY Stony Brook.
- Spring '10