Outgroup

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In cladistics or phylogenetics, an outgroup is a more distantly related group of organisms that serves as a reference group when determining the evolutionary relationships of the ingroup, the set of organisms under study, and is distinct from sociological outgroups.

Excerpt from the Wikipedia article “Outgroup (cladistics)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ngilbert202, CC BY-SA 4.0, via Wikimedia Commons.