One traditional explanation for why hominins developed bipedalism is that is helped them to see prey and avoid predators in the high savanna grass. What is one major problem with this idea?
A) Baboons and other Old World monkeys live in the savanna despite being quadrupedal.
B) Early hominins did not have any predators, and relied on a vegetarian diet.
C) Hominins had moved out of the savanna before the development of bipedalism.
D) Early hominins were very short, and savanna grasses would be far above their heads even if they stood bipedally.
A) Baboons and other Old World monkeys live in the savanna despite being quadrupedal.
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Why does the study of ape language capabilities advance the understanding of human language?
A) Apes have at least some of the capabilities of language, which helps us better understand the evolution of human language. B) Apes are capable of everything short of verbal language, which helps us improve communication with deaf people. C) It is clear that apes can only mimic human sign language, which indicates that human language is truly unique to our lineage. D) Ape language abilities are closer to humans than to other primates, which adds to our knowledge of the human family tree.
The shared rights and responsibilities of members of an Al-Murra lineage include
A) ownership of the grazing range. B) collecting or paying blood money. C) exclusive rights to certain wells. D) use of a distinctive camel brand. E) all of the above.
The first Australopithecine was found by Raymond Dart in 1924 and was nicknamed:
a. Java Man. b. Taung Child. c. Piltdown Man. d. "ape-man of the lake.". e. Eastern Star.
Refer to the figure below. If the market price of sunglasses is $50, Area B represents the ________.
A) deadweight loss
B) consumer surplus
C) producer surplus
D) total surplus