Description
This geological time chart shows life as it is existed on land and in the seas in each era.
Names of systems and stages with an approximate time scale: For each system landscape scenes show predominating organisms in both marine and terrestrial environments:Lists of first-occurrence organism groups and lists of extinct organism groups
Also contains: (1) Paleogeographic globes for each system that show plate tectonic positions of continents and oceans; (2) Representative genera of important index fossil groups in each system; and (3) interesting aspects of life, such as phylogenetic trees of cellular organisms, plants and animals, the genetic code, weight of the moon and brain mass of a stegosaur.
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