Final answer:
Cranial features of African Homo erectus include a sagittal crest, thick cranial bones, rounded skull, and small browridges.
Step-by-step explanation:
The subject of this question is Biology. The question is asking about cranial features found in African Homo erectus. One of these features is a sagittal crest, which is a ridge of bone that runs along the top of the skull, providing attachment for strong jaw muscles. Other cranial features of Homo erectus include thick cranial bones, which provide protection for the brain, a rounded skull, and small browridges.
Complete question:
African Homo erectus cranial features include A. Thick cranial bones. B. Small browridges. C. A rounded skull. D. A sagittal crest.