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5 Written questions

5 Matching questions

  1. niche
  2. What is ph basic
  3. homeostasis
  4. aerobic
  5. nucleic acid
  1. a macromoleculs containing hydrogen oxygen nitrogen carbon and phosphorus
  2. b full range of physical and biological conditions in which an organism lives and the way in which the organism thoes? conditions
  3. c relatively constant internal pysical and chemical conditions that organisms maintain
  4. d process that requires oxygen
  5. e 1-6

5 Multiple choice questions

  1. principal pigment of plants and other photosynthetic organisms
  2. protons neutrons electrons
  3. organism whose cells have a nucleus enclosed by a membrane
  4. animals plant
  5. lower land praductivity caused by overfarming overgrazing seasonal drought and climate change

5 True/False questions

  1. PH scalescale with values from 0 to `14 used to measure the concontration of H+ ions in solution a PH of 0 to 7 is acidic a ph of 7 is neutral and a ph of 7 to 14 is basic


  2. amino acidcompound that forms hydsogan ions (H+) in solution a solution with a ph of less than 7


  3. predationprocess by which cells release energy in the absence of oxygen


  4. anuerobicprocess that requires oxygen


  5. substratereactionof an enzyme catalyzedd reaction?