This chapter provides explanations that are dependent upon a particular and special ecologic or taxonomic history. Because relative uniformity of the environment reinforces specialization and leads to speciation, any given character complex, or lineage, will, on the average appear through time to go from the r to the K end of the spectrum.
A swimming cyphonautes larva is formed within 14 hours at 28oC. It measures 0.10 mm along the base and 0.10 mm high. The apical organ is well developed. The stomach and intestine are combined in a.
Biographical Etymology of Marine Organism Names. A. Dr. Jacobus Johannes van Aartsen, (17 Jan., St. Laurens, Zeeland) 1936-, studied Chemical Enginering at the Delft Technical University. He worked as head of the Corporate Research Department for Physical Chemistry of the AKZO Company. He is interested in the study of marine molluscs at least since 1956 when he became a member of the Dutch.
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