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What environmental factor does the pyramid of energy incorporate that prevents it from inverting? a. population size b. species turnover rate c. biomass at each trophic level d. level of consumption
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Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach
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Which of th following best describes how genes produce traits in an organism?
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Which pair of chromosomes determines sex in humans? a.15th b.1st c.23rd
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What environmental factor does the pyramid of energy incorporate that prevents it from inverting? a...
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