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date: 24 July 2021

p. 927. Evolution and extinctionlocked

p. 927. Evolution and extinctionlocked

  • Dorrik Stow


‘Evolution and extinction’ explores the likely origins of life, its evolution and marked changes, and the major extinction events that have punctuated this progress. The principal focus is the role of the oceans in the history of life. The passage of life through the different eras of ocean history is marked by evolutionary divergence and episodes of mass extinction, when up to 80 per cent of the planet’s species were wiped out. The changing nature of Earth’s atmosphere and climate, fluctuations in the chemistry of seawater, the rise and fall of sea level, and the drifting of continents have all had different and profound effects on both evolution and extinction events.

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