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Ontogeny vs. Phylogeny — What's the Difference?

Ontogeny vs. Phylogeny — What's the Difference?

Difference Between Ontogeny and Phylogeny

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Ontogeny

Ontogeny (also ontogenesis) is the origination and development of an organism (both physical and psychological, e.g., moral development), usually from the time of fertilization of the egg to adult. The term can also be used to refer to the study of the entirety of an organism's lifespan.

Phylogeny

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.

Ontogeny

The development of an individual organism or a part of an organism from inception to maturity. Also called ontogenesis.

Phylogeny

A model or diagram delineating such an evolutionary history
A molecular phylogeny of the annelids.

Ontogeny

Ontogenesis
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Phylogeny

A similar model or diagram delineating the development of a cultural feature.

Ontogeny

(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level;
He proposed an indicator of osseous development in children

Phylogeny

(systematics) The evolutionary history of groups of organisms, such as species or clades.

Phylogeny

A phylogenetic diagram.

Phylogeny

The historical development of a human social or racial group.
Understanding the phylogeny of this musical group helps us understand its music.

Phylogeny

The historical development of any thing, idea, etc.

Phylogeny

(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

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