A New History of Life

A New History of Life

Metazoans—Life Grows Up (1520x12)


Udgivelsesdato: Jan 01, 2013

Make the transition to multicellular life, which grew in complexity as oxygen levels increased in the atmosphere, supporting creatures with more intricate metabolisms. This portion of the fossil record long eluded paleontologists, partly because few expected to find signs of life in ancient Precambrian rock.

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