An Initial Assumption of Cladistics Research Is That

Multiple Choice

An initial assumption of cladistics research is that

A) not all species within a taxon can be traced to a common ancestor.
B) a higher taxon must have multiple evolutionary origins.
C) when two groups share a particular biological trait, both groups have inherited the trait from a common ancestor.
D) more species will die out than will originate over the same period of time.