APOMORPHY
Charles François (2004). APOMORPHY, International Encyclopedia of Systems and Cybernetics, 2(1): 135.
| Collection | International Encyclopedia of Systems and Cybernetics |
|---|---|
| Year | 2004 |
| Vol. (num.) | 2(1) |
| ID | ◀ 135 ▶ |
| Object type | Epistemology, ontology or semantics, Methodology or model |
The appearance of a new characteristic, derived from a former one, in a group of living organisms, leading to the recognition of one and only one new group.
The concept of apomorphy is basic to the taxonomy of living organisms known as cladism. A particular group of apomorphic characters is what defines a clade.