life-dinner principle

短语

别名

life/dinner principle

释义与例句

n.
  1. 1.

    A principle of asymmetry in selective pressure between predators and prey.

    Dawkins and Krebs (1979) have suggested that, unless predators are rare (Dawkins, 1982), prey should evolve more quickly than their predators due to stronger selection on the prey. This has been termed the “life-dinner” principle […]

词源

Coined by British biologists Richard Dawkins and John Krebs in 1979, in reference to one of Aesop's fables (see the quotation below).

来源：wiktionary