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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Clade
is always a great word to know.
So is androgenous. Does it mean:
| the ability of a population to maintain or increase its numbers in succeeding generations |
| pertaining to the production of or tending to produce male offspring |
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
clade
"group of organisms evolved from a common ancestor," 1957, from Gk. klados "young branch, offshoot of a plant" (see cladism).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
clade  (klād) Pronunciation Key
A grouping of organisms made on the basis of phylogenetic relationship, rather than purely on shared features. Clades consist of a common ancestor and all its descendants. The class Aves (birds) is a clade, whereas the class Reptilia (reptiles) is not, since it does not include birds, which are descended from the dinosaurs, a kind of reptile. Many modern taxonomists prefer to use clades in classification, and not all clades correspond to traditional groups like classes, orders, and phyla. Compare grade. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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