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Diversification of a species or single ancestral type into several forms that are each adaptively specialized to a specific environmental niche.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biology) evolution of a number of divergent species from a common ancestor, each species becoming adapted to occupy a different environment. This type of evolution occurred in the Tertiary manuals and the Mesozoic reptiles
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the diversification of a group of organisms into separate species or subspecies adapted to different environments, each new group often further diversifying.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||adaptive radiation - the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches|
radiation - the spread of a group of organisms into new habitats
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