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Please check my answers! (C, D, C) I will give you best answer...?
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04-14-2008
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Please check my answers! (C, D, C) I will give you best answer...?
1. Which of the following is true about oxygen in plants?
a. Oxygen is produced only for photosynthesis and is not used for any other purpose. b. Oxygen is stored in the plant for animals to consume and use for cellular respiration. c. Plants both produce and use oxygen for photosynthesis and cellular respiration, respectively. d. Plants need to take in both carbon dioxide and oxygen for the process of photosynthesis. 2. Which of the following terms best relates to the mechanism that flatworms use to obtain oxygen? a. excretion b. spiracles c. pharynx d. diffusion 3. Which of the following best summarizes the reason living things depend on oxygen? a. Oxygen is an element of water. b. Oxygen is involved in protein production. c. Oxygen is used during cellular respiration. d. Oxygen is necessary for digestion.
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