Ardipithecus Ramidus and Ardipithecus Kadabba Have Defied Expectations About Early

Multiple Choice

Ardipithecus ramidus and Ardipithecus kadabba have defied expectations about early hominins because __________.

A) both lived in densely forested environments
B) each shows evidence of a highly developed bipedal physiology
C) both are far larger than typical Miocene primates
D) neither shows evidence for increased cranial capacity