Apomorphy (biology): derived traits and their role in phylogeny Apomorphy An apomorphy is a derived character state that distinguishes a clade. This article explains definitions, types (synapomorphy, autapomorphy), examples, phylogenetic use, and complic…
Flightless birds: characteristics, evolution, and human interactions Flightless birds Flightless birds are species that lost powered flight and adapted to running or swimming. This article covers their anatomy, examples, evolutionary causes, human uses, and conserva…