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data 13.03.2013

Very often the survival, growth and other characteristics of a population can benefit from an association with organisms of other species. This is called symbiosis, a phenomenon that shows itself in different forms following a succession that can be interpreted in an evolutionary light. In same cases only a single species obtains advantages (commensalism), and in others both species benefit from the association (protocooperation). However, the most highly evolved type of association is total symbiosis (mutualism), in which both populations gain advantages and depend completely on each other.


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