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A form of selection that occurs in an environment at or near carrying capacity, favoring a reproductive strategy in which few offspring are produced.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
K selectionselection proceeding in such a way as to maximize K and reduce R, so optimizing the use of environmental resources without expending excess energy in converting food into offspring.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005