Darwin's view of the evolutionary tree is beautifully expressed in the ... intended to imply that the last common ancestor of a fish clade and a tetrapod clade was itself a fish.

Tree diagrams have been used in evolutionary biology since the time ... whereas external branches connect a tip and a node. A clade is a piece of a phylogeny that includes an ancestral lineage ...

A simplified evolutionary tree for the genus Psilocybe. Clade I and Clade II represent the Psilocybe species with the same gene order patterns within their psilocybin-producing gene clusters.

Schematic representation of the changes in morphological diversity along the evolutionary history of the Neanderthal clade. Sima de los Huesos and, particularly, Krapina populations show similarly ...

A clade is a group of organisms that includes ... and most people aren’t thinking about evolutionary trees when ordering a fillet. The word “fish” is woven into our culture, cuisine, and ...