noun
- the development of an individual organism from embryo to maturity
Usage: biology
Examples
- The study of ontogenesis reveals how a single cell develops into a complex organism.
- Researchers observed the ontogenesis of the fruit fly from egg to adult.
- Understanding ontogenesis is crucial for developmental biology.
- The ontogenesis of mammals involves distinct stages of growth.
- Scientists mapped the genetic changes during ontogenesis.
- Abnormalities in ontogenesis can lead to birth defects.