________ is the best-known early hominin.
A. Australopithecus anamensis
B. Australopithecus afarensis
C. Ardipithecus ramidus kadabba
D. Ardipithecus ramidus ramidus
Answer: B
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Old World monkeys have all of the following characteristics except: a. they live in a wide area ranging from Gibraltar to Japan. b. they do not have prehensile tails. c. they are of special interest to primatologists because some of them live in terrestrial environments similar tothose in which humans evolved
d. they have closely spaced, downward-pointing nostrils. e. they do not live in trees.
In some countries, the informal economy generates as much as 40% of the GNP
a. True b. False Indicate whether the statement is true or false
Which of the following is associated with horticultural systems of cultivation?
A. Intensive use of land and human labor B. Irrigation and terracing C. Use of draft animals D. Location in arid areas E. Slash-and-burn techniques
In Old World monkeys, the swelling and changes in the color of the skin surrounding the female's genital area is a(n):
a. ?sign also found in all monkeys. b. ?indication of a diseased state. c. ?indication of estrus. d. ?sign of aggression. e. ?a visual cue of a female's readiness to become aggressive.