Ontogeny vs. Phylogeny

Ontogenynoun

ontogenesis

Ontogenynoun

(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;

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.

Phylogenynoun

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

Phylogenynoun

A phylogenetic diagram.

Phylogenynoun

The historical development of a human social or racial group.

Phylogenynoun

The historical development of any thing, idea, etc.

Phylogenynoun

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