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5 Written questions

5 Matching questions

  1. villi
  2. producer
  3. abiotic
  4. photoautotrophs
  5. physical digestion
  1. a fingerlike projections of the small intestine that increase surface area for absoption of digested food
  2. b refers to a physical or nonliving component of an ecosystem
  3. c an autotroph; any organism that produces its own food
  4. d autotrophs that perform photosynthesis OR organisms that derive energy from light and form their own organic compounds from abiotic carbon sources
  5. e the breakdown of large pieces of food into smaller ones; increases surface area of food making chemical digestion easier

5 Multiple choice questions

  1. autotrophs that perform chemosynthesis
  2. the processes that break down food
  3. the breaking down of complex food molecules into simpler ones
  4. a process by which wavelike contractions of the muscles of the asophagus move food to the stomach
  5. adenosine diphosphate

5 True/False questions

  1. salivary amylasea watery secretion containing digestive enzymes that begin chemical digestion; ph 6.0-7.4


  2. bioenergeticsthe study of the energy flow and energy transformations among living systems


  3. epiglottisa trapdoor-like tissue that normally prevents food and liquids from entering the trachea (airway)


  4. nutrienta digestive hormone secreted by the stomach lining; stimulates the secretion of fluid by gastric glands in the stomach


  5. carbohydrate digestioncompleted in the small intestine