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punctuated equilibrium

/ˈpʌŋktʃueɪtɪd ˌiːkwɪˈlɪbriəm/

翻译: 进化生物学中的一种理论,认为物种在很长时间内保持稳定(停滞),期间被物种形成时短暂的快速变化所打断,与渐进式进化相对。

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phrase

/ˈpʌŋktʃueɪtɪd ˌiːkwɪˈlɪbriəm/C2formalscientific
  • zh进化生物学中的一种理论,认为物种在很长时间内保持稳定(停滞),期间被物种形成时短暂的快速变化所打断,与渐进式进化相对。

A theory in evolutionary biology proposing that species experience long periods of stability (stasis) interrupted by brief periods of rapid change during speciation, as opposed to gradual evolution.

  1. Theory of evolutionary changeC2formal

    A theory in evolutionary biology proposing that species experience long periods of stability (stasis) interrupted by brief periods of rapid change during speciation.

    zh间断平衡

    • The fossil record provides evidence for punctuated equilibrium in trilobites.
    • Punctuated equilibrium challenges the gradualist view of evolution.
    • Eldredge and Gould proposed punctuated equilibrium in 1972.