A microorganism whose evolutionary roots can be traced to the era of the first multicellular animals may provide a glimpse of how single-celled organisms made a critical evolutionary leap. In ...
A 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive ...
Choanoflagellates are primitive microorganisms whose evolutionary roots can be traced to the era of the first multicellular animals (metazoans). In December 18 Proceedings of the National Academy of ...
The discovery of an ancient snake fossil has changed the way that scientists view the evolution of snakes. About one hundred ...
The morphology of gymnosperms the structure and evolution of primitive seed-plants [by] K. R. Sporne
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!15385~!0#focus ...
Get unlimited access to ad-free articles and exclusive content. A 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows. The strange appendages, ...
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