Also found in: Thesaurus, Medical, Idioms, Encyclopedia, Wikipedia.
n. pl. phy·log·e·nies
1. The evolutionary development and history of a species or trait of a species or of a higher taxonomic grouping of organisms: the phylogeny of Calvin cycle enzymes. Also called phylogenesis.
2. A model or diagram delineating such an evolutionary history: a molecular phylogeny of the annelids.
3. A similar model or diagram delineating the development of a cultural feature.
[Greek phūlon, race, class; see phylum + -geny.]
phy′lo·gen′ic (-jĕn′ĭk) adj.
n, pl -nies or -geneses (-ˈdʒɛnɪˌsiːz)
(Biology) biology the sequence of events involved in the evolution of a species, genus, etc. Compare ontogeny
[C19: from phylo- + -geny]
phylogenic, phylogenetic adj
phy•log•e•ny(faɪˈlɒdʒ ə ni)
1. the development or evolution of a particular group of organisms.
2. the evolutionary history of a group of organisms, esp. as depicted in a family tree.Compare ontogeny.
the history of the development of a plant, animal, or racial type. — phylogenist, n. — phylogenetic, adj.See also: Evolution
Switch to new thesaurus
|Noun||1.||phylogeny - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms|
Scopes trial - a highly publicized trial in 1925 when John Thomas Scopes violated a Tennessee state law by teaching evolution in high school; Scopes was prosecuted by William Jennings Bryan and defended by Clarence Darrow; Scopes was convicted but the verdict was later reversed
anamorphism, anamorphosis - the evolution of one type of organism from another by a long series of gradual changes
emergent evolution - the appearance of entirely new properties at certain critical stages in the course of evolution
macroevolution - evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups
microevolution - evolution resulting from small specific genetic changes that can lead to a new subspecies
speciation - the evolution of a biological species