Noun:

ஃபைலோகனி,

phylogeny's Usage Examples:

phylogenyect of habitat type on speciation rates and range movements in aquatic beetles: inferences from species-level phylogenies.

Accepting this view of the phylogeny of the leaf, the perianthleaves (sepals and petals) and the foliage-leaves may be regarded as modified or metamorphosed sporophylls; that is, as leaves which are adapted to functions other than the bearing of spores.

Throughout the whole, the researches made since 1860 have not only added a great throng of new species, genera and families, but have thrown a flood of light upon questions of their phylogeny, systematic arrangement, horizontal and bathymetric distribution, organization, habits of life and economic importance.

phylogeny based on nuclear and chloroplast sequences and morphology.

Thus an abortive supernumerary finger may not cause much, if any, inconvenience to the possessor, but nevertheless it must be regarded as a type of disease, which, trivial as it may appear, has a profound meaning in phylogeny and ontogeny.

The word metamorphosis cannot, in fact, be used any longer in its original sense, for the change which it implied does not normally occur in ontogeny, and in phylogeny the idea is more accurately expressed by the term differentiation.

recapitulates phylogeny ' .

- As historian the palaeontologist always has before him as one of his most fascinating problems phylogeny, or the restoration of the great tree of animal descent.

The most striking general change has been against seeing in the facts of ontogeny any direct evidence as to phylogeny.

Beginning with its phylogeny, it appears, so far as present knowledge goes, that the differentiation of the shoot of the sporophyte into stem and leaf first occurred in the Pteridophyta; and, in accordance with the views of Bower (Origin of a Land.

Within each class the flower-characters as the essential feature of Angiosperms supply the clue to phylogeny, but the uncertainty regarding the construction of the primitive angiospermous flower gives a fundamental point of divergence in attempts to construct progressive sequences of the families.

This is the blastula stage occurring universally in all Metazoa, probably representing an ancestral Protozoan colony in phylogeny.

If the three principal organ-systems of the medusa, namely mouth, tentacles and umbrella, be considered in the light of phylogeny, it is evident that the manubrium bearing the mouth must be the oldest, as representing a common property of all the Coelentera, even of the gastrula embryo of all Enterozoa.

Synonyms:

evolution, speciation, emergent evolution, biological process, organic evolution, microevolution, anthropogeny, organic process, phylogenesis, anamorphosis, anthropogenesis, macroevolution, anamorphism,

Antonyms:

ovulation, development, nondevelopment, anabolism, katamorphism,