Cougar 9-12th Grade Science


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All mammals have systems of organs designed for specific purposes. Which of the following BEST describes the purpose of organ systems?

  1. Growth of the organism
  2. Achieve homeostasis
  3. Transport materials around the body
  4. Reproduction of new organism



Which of the following organ systems benefits the entire species MORE than it benefits the individual organism

    • Nutrition
    • Excretion
    • Reproduction
    • Respiration

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