Phyletic speciation

Pronunciation
/fai-let-ik spee-see-ay-shun/
Category
Evolution

Definition

The evolution of new species from a single ancestral species through gradual accumulation of genetic differences.

Etymology

From Greek 'phyle', meaning 'tribe' or 'lineage', and 'speciation', meaning 'the formation of new species'.

Example

The phyletic speciation of the genus *Heliconius* resulted in a diverse array of butterfly species with different wing patterns.

Related Terms

  • Anagenesis
  • Divergent evolution