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How do you date a sample of rock that you suspect as being one of the earliest on earth
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Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
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Biology, 22.06.2019 14:00
Some substances but not other can cross the (blank) membrane of a cell
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Biology, 22.06.2019 15:30
Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?
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What type of organisms make starch & for what purpose...
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