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| a taxonomic group of organisms classified together on the basis of homologous features traced to a common ancestor |
| pertaining to the production of or tending to produce male offspring |
| deme (dēm) Pronunciation Key
A small, locally interbreeding group of organisms within a larger population. Demes are isolated reproductively from other members of their species, although the isolation may only be partial and is not necessarily permanent. Because they share a somewhat restricted gene pool, members of a deme generally differ morphologically to some degree from members of other demes. See also population. |