TLS Online TPP Program

#Question id: 9267


Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up

#Unit 9. Diversity of Life Forms
  1. a monophyletic taxon.
  2. an ingroup, with species U as the outgroup.
  3. a paraphyletic group.
  4. a polyphyletic group.