Suggested evidence of natural selection at work in humans is the observation of Select one: a. low hemoglobin levels despite high elevation in Tibetan populations over generations b. increase in hemoglobin level when the average person travels from low to high elevation c. an increase in body fat in preparation for winter months at high elevation d. increase in muscle mass from extensive weight training over several months e. mountaineers using oxygen tanks when climbing at high altitude
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Biology, 22.06.2019 06:30
How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.
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Biology, 22.06.2019 10:40
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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Biology, 22.06.2019 12:30
The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is
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Suggested evidence of natural selection at work in humans is the observation of Select one: a. low h...
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