1. Biomes Of The World
... from one another. North and South America were connected and disconnected several times during the Tertiary by land bridges at the Central American isthmus, thus episodes of migration and considerable mixing of faunas and floras alternating with periods of isolation. Most rain-forest ... of South American origin, but certain groups may have originated in isolation in Mexico and Central America and spread southward relatively recently. Significant endemic groups include didelphid opossums, a number of bat families, marmosets and cebid monkeys, ... procyonids (primarily Central America), ...
- Word Count: 12375
- Approx Pages: 50
- Has Bibliography
- Grade Level: Undergraduate