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Unformatted text preview: 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. Vascular Plants 400 million years Gymnosperms 360 million years "naked seeds", conifers, etc. Angiosperms 130 million years "contained seeds", flowering plants Oldest Vertebrates 500 million years jawless, fishlike Oldest Jawed Vertebrates 500 million years Hox gene duplications Oldest Bony Fishes 425-450 million years Oldest Amphibians 365 million years Oldest Reptiles 300 million years Oldest Mammals 220 million years Homo erectus 1-2 million years fig. 30.32 Homo sapien 100,000 years fig. 30.32...
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- Fall '10
- Microbiology, oldest fossils, Oldest Jawed, Oldest Bony Fishes