Final answer:
Australopithecus africanus is a hominid species that lived between two and three million years ago. It had a slender build and was bipedal, but also had robust arm bones and may have spent time in trees. Its brain size was about 500 cubic centimeters
Step-by-step explanation:
Australopithecus africanus is a hominid species that lived between two and three million years ago. It had a slender build and was bipedal, but also had robust arm bones and may have spent time in trees. Its brain size was about 500 cubic centimeters, smaller than modern humans but larger than A. afarensis. Other species related to Australopithecus africanus include A. bahrelghazali and A. garhi, and A. bahrelghazali is the only australopith found in Central Africa.