Rain forests are ecosystems characterized by high annual precipitation and an abundance of many large trees, generally of very old age. (An ecosystem is an ecological community, or the plants, animals, and microorganisms in a region considered together with their environment.) Rain forests can be found in both tropical and temperate regions. (Temperate regions have mild or moderate climates; tropical regions have high enough temperatures and enough rain to support plant growth year round.) Rain forests require a humid climate, with an average...
Source: Encyclopedia of Science, ©2005 Gale Cengage. All Rights Reserved. Full copyright.
(The entire page is 1233 words.)
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