500-million-year-old fossils uncovered in the Grand Canyon (USA) reveal evolution driven by animal competition
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Evolutionary escalation in an exceptionally preserved Cambrian biota from the Grand Canyon (Arizona, USA) By: Giovanni Mussini, James W. Hagadorn, Anne E. Miller, Karl E. Karlstrom, Rhydian Evans, Carol M. Dehler, Salvador Bastien, and Nicholas J. Butterfield Summarized by: Kayla Adeyemi… Continue reading →