Question

Pitenesin 6. In this lab, we reviewed numerous fossil species and their defining characteristics. To help you make compari- sons across these species and understand larger trends in our evolutionary history, complete the Australopith and Early Homo Chart on pp. 446-447. AUSTRALOPITH AND EARLY HOMO CHART Fossil Species Dates and Geographic Region Cranial and Dental Traits Postcranial Traits Suggested Behavior Australopithecus anamensis Australopithecus afarensis LAB 15 | The Australopiths and Early Members of the Australopithecus africanus Australopithecus garhi Australopithecus sediba Australopithecus (Paranthropus) aethiopicus AUSTRALOPITH AND EARLY HOMO CHART (continued) Fossil Species Dates and Geographic Region Cranial and Dental Traits Postcranial Traits Suggested Behavior Australopithecus (Paranthropus) boisei Australopithecus (Paranthropus) robustus Australopithecus deyiremeda Homo habilis (including H. rudolfensis)

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Answer 1

Australopithecus afarensis, a species of Australopithecus, lived between 3.9 and 2.9 million years ago. It had characteristics similar to apes and humans and moved bipedally with some differences.

Step-by-step explanation:

Australopithecus afarensis, a species of Australopithecus, lived between 3.9 and 2.9 million years ago. It had smaller canines and molars compared to apes, but they were larger than those of modern humans. A. afarensis had a brain size similar to that of a modern chimpanzee and possessed a relatively longer jaw. The shape of its pelvis suggests it moved bipedally, although with some differences compared to modern humans.