Which of the following is NOT true of the genus Australopithecus?
a. the genus represents an adaptive radiation that covers southern, central and western Africa
b. there are questions about whether the genus should be included in the hominin group
c. the genus lived from around 4.2 milliom to 1 million years ago
d. the first specimen of the genus was found by Raymond Dart in the 1920s
Answer b
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The hominins known collectively as the australopiths had at least eight species,
A. Au. sediba. Au. garhi, Au. africanus, Au. afarensis, Au. anamensis, Paranthropus robustus, Paranthropus boisei, and Paranthropus aethiopicus. B. Au. anamensis, Au. afarensis, Au. kenyanthropus, Au. kadabba, Au. garhi, Au. robustus, Au. paranthropus, and Au. sediba. C. but only five of them have been confirmed to be bipedal, thus putting into question that all australopiths were hominins. D. all discovered in Africa except Au. boisei. E. all discovered and named by the Leakey family.
What is hypodescent? Why is it an arbitrary rule of racial classification?
What will be an ideal response?
Within a species, a larger brain size denotes superior intelligence?
a. true b. false
The major regions of the skull include:
A. the opticular grid, the cranium, the upper jaw, and the lower jaw. B. the occiput, the cranium, the opticular grid, and the jaw. C. the occiput, the cranium, and the mandible. D. the cranium and the mandible.