You are excavating a site in East Africa dating to about 3.5 million years ago. You find about 50 percent of a skeleton of a fossil hominin
From the skull you calculate that the cranial capacity was about 440 cc. The finger bones are curved, suggesting arboreal locomotion was possible, but the pelvic structure suggests bipedalism. You have probably found the remains of a(n) __________.
A. Homo erectus
B. Australopithecus robustus
C. Homo habilis
D. Australopithecus afarensis
Answer: D
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Which of the following provides the best-documented example of the evolutionary role of infectious disease in humans?
a. Bubonic plague b. Malaria c. Tuberculosis d. Smallpox e. Influenza
In addition to geographical separation, how do different dialects become completely different languages?
A) social restrictions preventing regular communication between the two groups B) intentional distinction by the speakers of the two groups C) educational differences between speakers of the two dialects D) religious beliefs restricting the use of one of the dialects
The hominin fossils from Laetoli and Hadar are classified by most researchers as
a. Australopithecus africanus. b. Homo afarensis. c. Homo habilis. d. Australopithecus robustus. e. Australopithecus afarensis.
A coprolite is defined as:
A. a fossilized tooth or other dental material B. a tree ring C. a coral or sea shell D. fossilized fecal matter