Exam 10: Early Hominin Origins and Evolution: The Roots of Humanity

Darwin's hunting hypothesis, Rodman and McHenry's patchy forest hypothesis, and Lovejoy's provisioning hypothesis are three very different explanations for the rise of hominins, but all three invoke the same anatomical feature.What feature is this?

Australopithecus robustus's large masticatory complex (large molars, face, and muscles) indicate an adaptation to

The diversity of the hominins included increasingly specialized

The foundational behavior of hominins was

Evidence indicating that Orrorin tugenensis was bipedal comes mainly from which part of the skeleton?

Speech, advanced cognition, and complex material culture

The Laetoli footprints demonstrate that the foot of Australopithecus afarensis was humanlike in having a

The exact arrangement of the ancient hominin phylogeny is unknown, but MOST likely

Along with other distinct traits, robust australopithecines had large ________ adapted for grinding food.

A pre-australopithecine MOST likely has which of the following characteristics?

In an ape, the gap located between the canine and the third premolar on the lower jaw and the canine and the second incisor on the upper jaw is a

The Oldowan Complex includes tools like

The Oldowan Complex is a part of the

Which of the following is an adaptive characteristic of bipedalism?

A hominin is defined as having the following two obligate behaviors:

Discuss the Ardipithecus ramidus fossil and its implications for understanding human evolution.

Why did Louis and Mary Leakey choose Olduvai Gorge as the place to spend decades doing their research?

Humans use their molars for