Definition

The development of an individual organism from the earliest stage to maturity, including all the changes it undergoes during its life.

Example

The study of ontogenesis helps scientists understand how organisms grow and develop over time.

Conversation

Have you ever heard about ontogenesis in biology?

I think so, but I can't remember what it means exactly.

It's basically the development of an organism from the earliest stage to maturity.

Ah, that makes sense! It's fascinating how life evolves from such a small beginning.

Synonyms & Antonyms

Root Explanation

Ontogenesis is formed from "onto-" (from Greek "ontōn", meaning being or existence) and "genesis" (from Greek "genesis", meaning origin or creation). The word refers to the development or origin of an individual organism from the earliest stage to maturity.

Memory Tip

Think of 'being' ('onto-') coming into 'existence' or 'origin' ('genesis') — that's what ontogenesis means, the development of a being.

Visually Confused Words