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5 Written questions

5 Matching questions

  1. sediment
  2. aphotic zone
  3. benthic zone
  4. zones in the open ocean
  5. transitional aquatic ecosystems
  1. a area along the ocean floor that consists of sand, silt, and dead organisms
  2. b below the photic zone; where sun is unable to penetrate
  3. c pelagic zone, abyssal zone and benthic zone
  4. d material that is deposited by water, wind or glaciers
  5. e aquatic environments that are a combination of two or more different environments;

5 Multiple choice questions

  1. divided into vertical zones: low-tide zone, mid-tide zone, high-tide zone, spray zone
  2. widely distributed in warm shallow marine waters
  3. freshwater
  4. soft-bodied invertebrates that live in the stonelike structures
  5. area of intertidal zone that is dry most of the time

5 True/False questions

  1. mid-tide zoneorganisms in this area must adapt to long periods of air and water


  2. estuariesnutrient rich lakes, found at lower altitudes


  3. coralsform natural barriers along continents that protect shorelines from erosion


  4. mouthwhere flowing water empties into a larger body of water


  5. low-tide zonecovered wth water unless the tide is unusually ow