anagenesis
/ˌænəˈdʒɛnəsɪs/
noun
- The evolutionary process in which a species changes over time without splitting into separate branches.
- The fossil record shows clear evidence of anagenesis in the development of early horses.
- Scientists study anagenesis to understand how a single lineage transforms over millions of years.
- Unlike branching evolution, anagenesis involves gradual change within one species.
Antonyms