Stromatolites - 5 views
shared by rasa-hopigirl on 19 Nov 12
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graceymounsey, sydturner12, cameronazari, alexwimer, christinemb, nadiasolorio, christophershay, and Ketan Mandava liked it
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christinemb on 26 Nov 12This is a really informative website about stromatolites. I learned a lot about stromatolites in this article.
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christophershay on 27 Nov 12Stromatolites are the oldest form of life and are composed of many different types of bacteria hardened together. This website was pretty accurate and related to the Lykins era in Denver history.
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benanersek on 27 Nov 12I really did not know that 96% of marine life died. Also 70% of terrestrial vertebrate species were extinct.