Biodiversity is a term used to describe the variance of all biotic and abiotic organisms within a given area (ditch, stream, watershed, woodland, ocean, globe, etc.). An area with high biodiversity has a wide range of organisms within it, as an area with low diversity has a small range of organisms within it.
I adapted my original definition form National Geographic to include ANY area. The original definition read “…. all biotic and abiotic organisms with an ecosystem.”.
Globally, approximately 1.2 million species have been identified and described. It is estimated that is a total of approximately 8.7 million species throughout the world (National Geographic).
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