A possible ecological scenario for the evolution of bipedalism is that increasing aridity lead to deforestation and the need to travel long distances to find fruit
a. true
b. false
Answer a
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A geneticist studying the variation between different groups of organisms of the same species is engaged in __________
a. phylogenetics b. population genetics c. Mendelian genetics d. behavioral genetics
Many scientists believe that the loss of the megafauna at the end of the Pleistocene was due to overhunting. What factor gives reason to question this hypothesis?
A) The population of humans at the time was far too low to have had such an effect on mammal populations. B) Many birds went extinct around the same time, and there was no evidence that they were hunted. C) There is evidence that Pleistocene people scavenged, rather than hunted, for their meat. D) The megafauna did not go extinct; rather, the changing climate at the time favored smaller variants of these species.
The Klasies River fossils are about:
The Klasies River fossils are about: A. 1 million years old B. 450,000 years old C. 120,000 years old D. 40,000 years old
Postmodernists emphasize that ethnographies should be written from several voices
a. True b. False Indicate whether the statement is true or false