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Question
Americans' body weights vary according to socioeconomic status, inasmuch as:a. lower-income families tend to consume less protein and fiber, and more sugar.
b. the rich eat more high-fat foods.
c. low-income families consume more saturated fat and sugar, because these cost less.
d. both a. and c.
Answer
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Related questions
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Greater body size and facial gracility documented in Homo erectus are likely related to:
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b. the natural continuation of previous trends documented in hominid fossils, similar to great brain size.
c. the global climate, as these trends are characteristic of a cooler climate.
d. none of the above
Q:
The controlled use of fire by hominids:
a. decreased the amount of food energy available in the hominid diet.
b. has been shown to contribute little to the digestive process of hominids.
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d. contributed to geographical expansion and food production techniques in positive ways.
Q:
Fossil evidence of cut marks made with stone tools at early hominid sites suggests that:
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b. big game hunting was the most common way early hominids obtained meat.
c. meat eating started before Homo erectus but increased with more advanced technology.
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The many stone tools, fragmentary animal bones, and teeth found at Gran Dolina, Spain, indicate that hominids there:
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Q:
The earliest fossil evidence of Homo erectus in Western Europe dates to about:
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b. 1.2 mya.
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Q:
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b. reduction both in habitat types and in dietary diversity.
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Q:
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Q:
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a. abundant stone tools.
b. animal bones with cutmarks.
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Q:
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a. Orrorin tugenensis.
b. Ardipithecus kadabba.
c. Sahelanthropus tchadensis.
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a. Homo habilis.
b. Australopithecus afarensis.
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Q:
In East Africa robust australopithecines are also called:
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Q:
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Q:
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Q:
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a. 5 mya.
b. 10 mya.
c. 15 mya.
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Q:
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a. a meteor impact.
b. a disease pandemic.
c. climate change.
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Q:
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a. biologically sound.
b. likely facing extinction.
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b. 6 mya.
c. 10 mya.
d. 12 mya.
Q:
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a. sharp high crests on the teeth.
b. large canines and no diastema.
c. a Y-5 molar pattern and Sinodonty.
d. a Y-5 molar pattern, low rounded cusps, large canines, and a diastema.
Q:
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b. the breadth of the ribcage.
c. the size of the hands.
d. the morphology of the foot.
Q:
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b. adaptive radiation
c. migration
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Q:
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a. primates' unique traits are an adaptation to living in trees.
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c. certain primate traits were responses to the acquisition of fruit during the Cenozoic.
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Q:
Studies of temperatures during the Cenozoic era suggest that:
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b. temperatures have steadily decreased over time.
c. temperatures have fluctuated, sometimes greatly, over time.
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Q:
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a. sediment, stone, and ceramics
b. bone, wood, and stone
c. bone, shell, and fabric
d. shell, ceramics, and wood
Q:
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a. chronometric
b. nonrelative
c. chemical
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Q:
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a. bones and teeth
b. ceramics
c. shell
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Q:
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a. Holocene
b. Cenozoic
c. Jurassic
d. Mesozoic
Q:
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a. Eurasia.
b. Afrinesia.
c. Australasia.
d. Pangaea.