[Campbell Biology P.621] A grouping that includes an ancestral species and some, but not all... | Practice Question

A grouping that includes an ancestral species and some, but not all, of its descendants is known as what type of group?

  • A: Monophyletic group
  • B: Paraphyletic group
  • C: Polyphyletic group
  • D: Outgroup

Explanation

A paraphyletic group consists of an ancestral species and some, but not all, of its descendants. This type of grouping is common in traditional taxonomy but does not represent a true clade.