Ontogeny in Biological Definition

Phylogeny

... accepted. This theory was often expressed as " ontogeny recapitulates phylogeny ", i.e. that the ... biology recognizes numerous connections between ontogeny and phylogeny, explains them using evolutionary ... evidence for that theory. See the article on ontogeny and phylogeny . See also PhyloCode ...

Evolutionary developmental biology

... of Individuality , Princeton University Press. See also ontogeny ontogeny recapitulates phylogeny List of gene families Important ...

Biology

... scales, it is examined in physiology , anatomy , and histology . Developmental biology studies life at the level of the development or ontogeny of an individual organism. Moving up the scale towards more than one organism, genetics considers how heredity works between parent and ...

Developmental biology

... , juvenile , larva , maternal effect , mesoderm , metamorphosis , morphogenesis , morula , neoteny , neural development , nymph , ontogeny , oosperm , ovism , paedogenesis , pangenesis , phylogeny , primordium , pupa , rudiment , teratology , zygote Developmental model ...

Ernst Haeckel

... form, which culminated in the beautifully illustrated Kunstformen der Natur ( Art forms of nature ). Haeckel's observations on the link between ontogeny (development of form) and phylogeny (evolutionary descent) have been named the " recapitulation theory ", summed up in the phrase, "ontogeny ...

Lung

... of the upper intestines. This is reflected by the fact that the lungs of a fetus also develop from an outpocketing of the upper intestines (see ontogeny and phylogeny ). The article on swim bladders contains further details about the evolutionary origin of these two organs. Arachnid lungs ...