subspecies

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subspecies

 [sub´spe-shēz]
a subdivision of a species; a variety or race.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

subspecies

(sŭb′spē′shēz, -sēz)
n. pl. subspecies
A taxonomic subdivision of a species consisting of an interbreeding, usually geographically isolated population of organisms.

sub′spe·cif′ic (-spĭ-sĭf′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

subspecies

the division of the population of a SPECIES on the grounds of incomplete REPRODUCTIVE ISOLATION. In many groups of organisms subspecies have been named on minor morphological differences which usually occur in different geographically defined populations. Often, for example in birds, different parts of a CLINE have been given subspecific status; if clines are to be named, only the extremes should have subspecific names. Clearly defined populations such as island forms often merit subspecific names and might be considered as species in the making. see ISOLATING MECHANISMS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Of the nine sub-species of tiger, three are extinct already.
Residing at the Ol Pejeta Conservancy in Kenya with the only other living Northern White Rhinos, two females namely Fatu and Najin, Sudan made headlines worldwide when, in an effort to raise funds for the conservation of the sub-species, dating app Tinder named him the 'most eligible bachelor in the world'.
A male of its sub-species, it was nicknamed Methuselah after the longest-lived person in the Bible.
Much like the movie duo, Australia National University biologists discovered two sub-species of a genus of Australian pea flowers were twin species but opposite in many ways.
Rose-ringed Parakeet (Psittacula krameri) is sub-divided in 4 sub-species (P.
This method has been used to study evolutionary and taxonomic relationships among crop species or sub-species (Das and Mukherjee, 1995).
Researchers then further split them into various sub-species based on where they are located and differences in coat patterns.
Sengi weigh between 30 and 45g and grow only to be four inches in length, making them the smallest of the 19 sub-species. The species is native to Botswana, Namibia and South Africa.
The western black rhino, the only sub-species once found in West Africa, was declared extinct last year.
Walker's lab identified a gene with strong PD resistance (PdR1) from Vitis arizonica/candicans, a sub-species found in Mexico.
Of the eight tiger sub-species, three have already become extinct.
ABABY elephant who lost part of his leg in a snare trap is one of the stars of this film about Sri Lanka's own sub-species of Asian elephants.