In order, list the eras that the Earth's geologic record is divided into, and the main types of organisms that?
In order, list the eras that the Earth's geologic record is divided into, and the main types of organisms that existed in each era.
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- Precambrian - prokaryotes, cyanobacteria, first animals Paleozoic - most animal phyla, plants, jawless fish, body fish, amphibian, seed plants Mesozoic - reptiles, dinosaurs, gymnosperms, birds, mammals Cenozoic - flowering plants, pollinating insects, primates, humans
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