The fossil known as Lucy is an Australopithecus afarensis. At the time her fossil was discovered, Lucy was famous for which one of the following? No other fossil early humans had been found in Africa Lucy was 40% complete and clearly showed upright walking Lucy showed evidence of evolution for walking on four legs Lucy is the only female early human fossil ever found
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The earliest hominid fossil, "Lucy," is estimated to be 3.2 million years old. This early human-like species shares an important characteristic with modern humans: bipedalism. Which of the following would favor the selection of bipedal posture over walking on all fours? Bipedal posture allowed for greater mobility in the tree canopy. Bipedal posture allowed arms to be free to develop and use tools. Bipedal posture allowed for an increase in hominid brain and jaw size. Bipedal posture allowed a greater number of offspring to be produced in hominids.
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Lucy is a member of what species? a. Homo erectus b. Australopithecus afarensis c. H. habilis d. $A .$ robustus e. $A .$ anamensis and $A .$ afarensis are alternative forms of Lucy.
Place the following hominins in chronological order of appearance in the fossil record, beginning with the earliest: $1 .$ H. ergaster 2. H. sapiens $3 .$ H. neanderthalensis $4 .$ H. erectus (a) 1,4,2,3 (b) 4,1,2,3 $(c) 4,1,3,2$ (d) 3,1,4,2 (e) 1,4,3,2
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