Footprints preserved in 3.6 million-year-old volcanic ash at Laetoli, Tanzania, indicate that:
A. Australopithecus africanus was on his/her way out of Africa.
B. Australopithecus afarensis was quadrupedal.
C. Australopithecus boisei and Australopithecus africanus both lived about 3.6 million years ago.
D. bipedalism definitely preceded marked brain expansion in human evolution.
E. some of our early ancestors may have worn crude sandals.
Answer: D
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A) the recognition of biological differences across human groups B) the belief that some “races” are inferior to others C) taking pride in one’s heritage or ancestry D) the idea that your own culture is more moral or logical than other cultures
__________ are directly involved in reproduction
a. Somatic cells b. Gametes c. Stem cells d. Organelles
Cro-Magnon
A) is the common name used for the Upper Paleolithic people of Europe B) was found near the village of Les Eyzies C) was the name given to the first modern human fossils found in Europe D) are not the earliest known modern humans E) all of the above
The productive technology that harnesses the energy of fossil fuels to satisfy human material needs and wants is called:
a. hunting and gathering. b. agriculture. c. herding. d. industrialism.