CH 15 PP
Last Modified: 2011-11-14
disappearance of a species from Earth
loss of a species from a local area or part of its natural range
likely to become endangered in the foreseeable future
populations are declining for reasons that may not be understood
physical environment occupied by a population
Small patch of suitable habitat surrounded by a sea of unsuitable habitat
cause of distinction
Progressive destruction of habitat resulting in isolated patches
Isolation and/or patch size can leave the habitat unable to meet species needs
Reduce population below critical mass needed for breeding
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