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[sim-pa-trik, -pey-] /sɪmˈpæ trɪk, -ˈpeɪ-/
adjective, Biology, Ecology.
originating in or occupying the same geographical area.
Origin of sympatric
1900-05; sym- + Greek pátr(ā) fatherland (patr-, stem of patḗr father + feminine noun suffix) + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for sympatric


(of biological speciation or species) taking place or existing in the same or overlapping geographical areas Compare allopatric
Derived Forms
sympatrically, adverb
Word Origin
C20: from syn- + -patric, from Greek patra native land, from patēr father
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sympatric

1904, from syn- + Greek patra "fatherland." Opposite of allopatric.

Online Etymology Dictionary, © 2010 Douglas Harper
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sympatric in Science
Occupying the same or overlapping geographic areas without interbreeding. Although they share the same geographic range, sympatric populations of related organisms become isolated from each other reproductively. This can happen by the development of subpopulations that become dependent on distinct food sources or that evolve distinct seasonal mating behavior. Flowering plants frequently become reproductively isolated through the development of polyploid hybrids (hybrids with three or more sets of chromosomes) that cannot backcross with either parent. ◇ The development of new species as a result of the reproductive isolation of populations that share the same geographic range is called sympatric speciation. Compare allopatric.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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