Intraspecific variability and speciation in sponges

  title={Intraspecific variability and speciation in sponges},
  author={F. Wiedenmayer},
Knowledge of intraspecific variability, geographic differentiation, and speciation in sponges is still tenuous. Until recently, even the definition of the sponge individual was debated. Burton (1949b) rejected the terms ‘colony’ and ‘growth’, and excluded the usual concept of an individual among animals. He tentatively proposed the following definition of the term ‘individual’ for sponges: “An aggregation of cells to form a functionally independent soma having no connection or at most an… Expand
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