BIOL250 Exam 1
Which of the following are considered primary requirements of life for a multi-celled organism? A. Oxygen B. Water and other nutrients C. A controlled temperature in which to live D. A narrow range of atmospheric pressure E. All the above are primary requirements of life for a multi-celled organism. Question 2 of 50 A collection of similar tissues that performs a specific function is an ________. C. organ Question 3 of 50 Physiology… B. explains how the structures of the body work together to maintain life. Question 4 of 50 If some condition of the body needs to be returned to its “set point”, i.e. homeostasis, then a(n) _________ feedback loop comes into play. D. negative
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American University
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BIOL 250
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