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This Concept Map has information related to: Alissa Coupe Chpt. 20, for fossils in bc burgess shale, chemical evolution requirements energy from organic materials, carboniferous first reptiles, tertiary first human like primates 5 mya, chemical evolution requirements chemical biulding blocks, cambrian had oldest rocks, mesozoic 144-66 mya cretaceous, cenozoic 65-3 mya tertiary, cambrian site for fossils, cretaceous rise of flowering plants