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The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?
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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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In which of the following relationships is one organism always benefited while the other organism is always harmed
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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.
Answers: 1
Balenced chemical equations. (a)sodium + oxygen sodium oxide...
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