autapomorphic

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective autapomorphic is

(biology) describing any characteristic that has evolved in only a single species (or other taxon).

Autapomorph is a related term of autapomorphic.

As an adjective autapomorphic

is describing any characteristic that has evolved in only a single species (or other taxon.

As a noun autapomorph is

an organism that possesses a derived trait that is unique to a particular taxon.

As a noun taxon

is (taxonomy) any of the taxonomic categories such as phylum or subspecies.

As an adjective autapomorphic is

(biology) describing any characteristic that has evolved in only a single species (or other taxon).

As a noun species

is a type or kind of thing.

As an adjective autapomorphic is

describing any characteristic that has evolved in only a single species (or other taxon.

As a verb evolved

is (evolve).

As an adjective autapomorphic is

(biology) describing any characteristic that has evolved in only a single species (or other taxon).

As adjectives the difference between characteristic and autapomorphic

is that characteristic is being a distinguishing feature of a person or thing while autapomorphic is (biology) describing any characteristic that has evolved in only a single species (or other taxon).

As a noun characteristic

is a distinguishable feature of a person or thing.