Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Diversification of a species or single ancestral type into several forms that are each adaptively specialized to a specific environmental niche.
Wiktionary
- n. biology the diversification of species into separate forms that each adapt to occupy a specific environmental niche
GNU Webster's 1913
- n. (Palaeontology) the evolutionary generation of multiple specialized life forms from one ancestral form, evidenced in the fossil record. The inverse of
extinction .
WordNet 3.0
- n. the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches
Examples
“Species attributes dispersal ability size change loss of dispersal ability endemism relictualism loss of defensive adaptations archipelago speciation adaptive radiation”
“dispersal ability size change loss of dispersal ability endemism relictualism loss of defensive adaptations archipelago speciation adaptive radiation”
“dispersal ability size change loss of dispersal ability endemism disharmony relictualism loss of defensive adaptations impoverishment archipelago speciation adaptive radiation”
“YOU KNOW something about adaptive radiation because you know something about the tenrecs of Madagascar, yes?”
“In 1970 an anthropologist named R. D. Martin delivered a lecture on adaptive radiation among lemurs.”
“Competition and sympatry, along with an emphasis on the adaptive differences that separate closely related species or subspecies, are what distinguish adaptive radiation from archipelago speciation.”
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