Homo heidelbergensis is
A) a Plio-Pleistocene hominid
B) a Pliocene human
C) a mid-to-late Pleistocene human
D) an early Pleistocene human
E) a late-Pliocene human
Question 2
Compared to primitive traits, derived traits tend to be:
A) shared only by distant evolutionary relatives
B) ancient evolutionary developments
C) more efficient
D) widely shared among many different species
E) recently evolved characteristics shared by a few closely related species