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Adaptive radiation

Definition of the noun adaptive radiation

What does adaptive radiation mean as a name of something?


  1. the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches
    • lexical domain: Natural Events - nouns denoting natural events
    • more generic word: radiation = the spread of a group of organisms into new habitats

Alternative definition of the noun adaptive radiation


  1. [biology] the diversification of species into separate forms that each adapt to occupy a specific environmental niche


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Adaptive radiation: In evolutionary biology, adaptive radiation is a process in which organisms diversify rapidly into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges and opens environmental niches. Starting with a recent single ancestor, this process results in the speciation and phenotypic adaptation of an array of species exhibiting different morphological and physiological traits with which they can exploit a range of divergent environments.

  • also known as 輻射適應

Printed dictionaries and other books with definitions for Adaptive radiation

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Google previewWorld History Encyclopedia [21 volumes] (2011)

by Alfred J. Andrea Ph.D.

The Adaptive Radiation of Homo erectus Homo erectus was the first hominid to move out of Africa and disperse into Eurasia. Its large-scale migration represents the first major adaptive radiation in human evolution. This radiation was relatively ...

Google previewEncyclopedia of Geography (2010)

by Barney Warf

Adaptive radiation is a term used to describe a period in evolutionary history when a single or a few species diversified and underwent relatively rapid speciation. The event is distinguished from the background pattern of evolution in two ways: ...

Google previewArguing for Evolution: An Encyclopedia for Understanding Science (2011)

An Encyclopedia for Understanding Science by Sehoya H. Cotner, Randy Moore

Adaptive radiation describes the origin of new species from a common stock as a result of migration and the colonization of novel habitats. The hundreds of species of cichlid fish in the African Great Lakes are the result of adaptive radiation ...

Google previewWiley-Blackwell Student Dictionary of Human Evolution (2015)

by Bernard Wood

adaptive radiation The rapid diversification of a lineage into species that evolve a range of new adaptive strategies that enable them to occupy new adaptive zones. An example is the simultaneous ...

Google previewA Dictionary of Zoology (2014)

by Michael Allaby

adaptive radiation 1. A burst of evolution, with rapid divergence from a single ancestral form, that results from ...

Google previewIllustrated Dictionary of Entomology (2007)

by Paras Nath

Adaptation, Adaptive radiation). Adaptive radiation: Evolution and spread of a single phyletic line of organisms into several distinctive ecological niches resulting in a series of sometimes strikingly different forms, each adapted to a particular ...

Google previewEncyclopedia of Environmental Change (2013)

Three Volume Set by John A Matthews

JAM adaptive radiation Evolutionary diversification within a rapidly multiplying LINEAGE in response to environmental change. It occurs especially when there are unoccupied NICHES and may be particularly rapid after MASS EXTINCTIONS.

Google previewA Dictionary of Ethology (1989)

by Klaus Immelmann, Colin Beer

ADAPTIVE RADIATION when settling down for the night; whether it chooses a cliffside or a tree will depend upon its individual experience. In higher vertebrates learned behavioral adaptation can sometimes be passed on from one generation ...

Google previewThe Dictionary of Genomics, Transcriptomics and Proteomics (2015)

by Guenter Kahl

Adaptive radiation: The evolution of new gene functions by rapid, punctuated bursts of amplifications of the best adapted genes in the genome of the organism that encounters a new biochemical niche, followed by competition among the gene ...

Google previewA Dictionary of Genetics (2013)

by Robert C. King, Pamela Mulligan, William Stansfield

adaptive radiation the evolution of specialized spe— cies, each of which shows adaptations to a distinctive mode of life, from a generalized ancestral species.

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Adaptive Radiation

Adaptive Radiation and the Hawaiian Honeycreepers

Taken at the Smithsonian Natural History Museum...

Photo credit: Ryan Somma

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Adaptive radiation Meaning

Video shows what adaptive radiation means. The diversification of species into separate forms that each adapt to occupy a specific environmental niche.

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