The Middle Cambrian fossil Pikaia and the evolution of chordate swimming’s choice

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summary of the article including the author and title. Font 10 standard, NO HEADING OR WORK CITED. Please summarize into intro, body and conclusion.

Simple to understand to a general audience with no technical knowledge. Easy to read and understand even for a 13 year old.

 

 

Last Updated on April 25, 2020 by