Definition of adaptive radiation in English:

adaptive radiation

Line breaks: adap|tive ra¦di|ation


[mass noun] Biology
  • The diversification of a group of organisms into forms filling different ecological niches.
    More example sentences
    • Thus, nowadays, these four species represent progressive stages of late speciation and constitute an excellent example of ecological speciation and adaptive radiation.
    • Under the ecological theory of adaptive radiation, adaptation and reproductive isolation are thought to evolve as a result of divergent natural selection.
    • As in other oceanic islands, the Canaries are characterized by a large number of endemic species as a result of apparent extensive speciation, putatively due to adaptive radiation and genetic drift.

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