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Before 1969, protists were classified as plants. What observation was made about protists that led to this classification?
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Explain why biological control methods are generally environmentally superior to chemical pest control methods.
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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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Before 1969, protists were classified as plants. What observation was made about protists that led t...
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