Of the 33,000 species of fish and the countless species yet to be discovered, all of them have vertical tail fins that undulate side-to-side. Despite their myriad shapes, sizes, and habitats, they all ...
In lakes, the diversity of eukaryotic picoplankton has been recently studied by the analysis of 18S ribosomal RNA gene sequences; however, quantitative data are rare. In this study, the vertical ...
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