ABSTRACT
Comments: The same term (e.g., bog, forest, marsh, or prairie) can refer to a habitat or community. Some kinds of habitats are defined below. Those not defined below include coniferous forest, Coral reef, deciduous forest, elfin forest, Jack Pine plain, jungle, krummholz, lake, northern hardwoods, ocean, pond, rain forest, river, spring, stream, tidal zone, and wood. Habitats vary in their extents from those of small ranges (e.g., grass bald or shale barren) to those of large ranges (e.g., forest or ocean).
