Solved >   21.There are at least ______ species of:1697890 …


21.There are at least ______ species of Australopithecus. a. 5





22.A. anamensis has been found in several locations in


b.the United States.




23.The word garhi means __________ in the Ethiopian language.





24.The fossil that Raymond Dart discovered was that of adult male.

b.a young child. older woman. older man.


25.The leader of the expedition that found 3.6 million year old footprints at Laetoli was a. Louis Leakey.

b.Richard Leakey.

c.John Leakey.

d.Mary Leakey.


26.What is the main argument against bipedal development as an adaptation for life on the savannas?

a.there is evidence there were few savannas, but more woodland and open country

b.there is no evidence that the behavior was adaptive

c.bipedalism actually caused more problems than they solved

d.most primates are bipedal, so it is not a special adaptive behavior


27.Bipedalism freed the hands, which allowed tools to be carried. This was an advantage because built up the primates’ arms for more strength. caused a preoccupation with tools so the primate did not have to worry about anything else.

c.the tools could be used as weapons against predators, if necessary.

d.there was no real advantage, as it made it harder to run from danger.

28.Bipedalism does have its downside, including:’s harder to overcome gravity to supply brain with sufficient blood.

b.the weight on the body above the pelvis and lower limbs causes stress on the hips, lower back, knees, and feet.

c.females even have more stress during pregnancy.

d.all the above.


29.The Leakey family made a significant find in 1959 with the discovery of Australopithecus boisei.  Why was this discovery so important? demonstrated that the earliest hominids were living in Europe demonstrated that early hominids were present in East Africa, not just South


c.because it only took two years to find proved South Africa was the only place in Africa to find evidence of early hominids
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