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Unformatted text preview: 1-1.2 billion years projected from on DNA sequence analysis Cambrian "Explosion" (Animals) 500 million years Burgess Shale Fossils Many of current animal phyla (echinoderms, annelids, arthropods, chordates). appearance of skeletons poss. in response to predation. Summary of animal evolution: Fig. 29.1. Summary of chordate evolution: Fig. 30.6. Origins of Plants from green algae 460 million years Fossil Record Summary of Plant evolution: Fig. 27.3. Oldest Vertebrates 500 million years jawless, fishlike...
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This note was uploaded on 11/05/2011 for the course BIOLOGY MCB2010 taught by Professor Jessicadigirolamo during the Fall '10 term at Broward College.
- Fall '10