The discovery of an ancient snake fossil has changed the way that scientists view the evolution of snakes. About one hundred ...
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 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 ...
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