Spatial Aspects of Animal Populations
area of natural occurrence of a given animal species; often
changes over time, and in some cases even seasonally.
that holds that organisms in widely separated biogeographic
realms, although descended from diverse ancestors, develop similar
adaptations to measurably similar habitats.
way a group of organisms makes its living in nature, or the
environmental space within which an organism operates most efficiently.
study of animals as they relate to their total environment.
environment a species normally occupies within its geographical
in reproduction in which the message of heredity (DNA) contained
in the genes is imperfectly passed on and from which new species
Alfred Russel Wallace's controversial boundary line that
purportedly separates the unique faunal assemblage of Australia
from the very different animal assemblage of neighboring Southeast
Asia; Wallace's famous line, introduced over a century
ago, is still the subject of debate today.
A page of wildlife conservation links, including the National
Wildlife Federation and the Living Planet.
Background information on world ecoregions, as well as maps information
about conservation programs.