spacer
 
Advanced Search
Astrobiology Magazine Facebook  Astrobiology Magazine Twitter
Terrestrial Origins and Evolution
Mark Webster, Assistant Professor in Geophysical Sciences, examines a
500-million-year-old trilobite that was found in Nevada. In a study published in the
journal Science, Webster presented data showing that trilobites exhibited much more
within-species variation early in their history than later on.
Credit: Dan Dry / University of Chicago
01/14/09

 



Viewed:  883 times

 

 

 

About Us
Contact Us
Links
Sitemap
Podcast Rss Feed
Daily News Story RSS Feed
Latest News Story RSS Feed
Learn more about RSS
Chief Editor & Executive Producer: Helen Matsos
Copyright © 2014, Astrobio.net