Life on a Young Planet — When Life Became a Planetary Force
Life did not evolve against the background of a static planet. Organisms and environments transformed one another across billions of years.
Welcome to Crisis in Perception, where we examine the systems shaping our world.
Using Life on a Young Planet: The First Three Billion Years of Evolution on Earth by Andrew H. Knoll as its lens, this investigation examines how scientists reconstruct the largely microbial history that preceded plants, animals, and an oxygen-rich atmosphere.
Knoll brings together fossils, ancient rocks, molecular phylogeny, and geochemical signatures to trace the…
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