\Bi`o*ge*og"ra*phy\, n. [Gr. bi`os life + E.
geography.]
The branch of biology which deals with the geographical
distribution of animals and plants. It includes both
zo["o]geography and phytogeography. -- {Bi`o*ge`o*graph"ic},
a. -- {Bi`o*ge`o*graph"ic*al*ly}, adv.