Cenogenesis and Ontogenesis

Cenogenesis noun - Introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution).

Ontogenesis and cenogenesis are semantically related. In some cases you can use "Ontogenesis" instead a noun "Cenogenesis".

Ontogenesis noun - (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.

Cenogenesis and ontogenesis are semantically related. Sometimes you can replace term "Cenogenesis" with "Ontogenesis", this nouns are similar.

Nearby Word: ontogeny