Citation

Tempo and Mode in Evolution

George Gaylord Simpson

Columbia University Press (1944)

TL;DR

Introduced concept of adaptive zones

Foundational work introducing key concepts in macroevolution, including adaptive zones and the idea that lineages radiate rapidly when colonizing new adaptive zones, then slow as niches fill. Influenced all subsequent adaptive radiation research.

Key Findings from Simpson (1944)

  • Introduced concept of adaptive zones
  • Lineages radiate rapidly when colonizing new zones
  • Radiation slows as niches fill

Related Mechanisms for Tempo and Mode in Evolution

Adaptive Radiation

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