Answer:
D- The area's geography.
Explanation:
A biome is a determined part of the planet which shares climate, flora and fauna. Also, it is a group of ecosystems which are typical of a biogeographical zone, defined by its predominant vegetation and animal species, where ecologic conditions are displayed at regional or continental level. Finally, climate and soil will define the ecologic conditions of the bioma to which groups of plants and animals will react.
