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5 Written questions

4 Matching questions

  1. 2.5 percent of Earth's water
  2. coral reefs
  3. eutropic
  4. profundal zone
  1. a widely distributed in warm shallow marine waters
  2. b freshwater
  3. c deepest areas of a large lake
  4. d nutrient rich lakes, found at lower altitudes

5 Multiple choice questions

  1. where flowing water empties into a larger body of water
  2. divided into vertical zones: low-tide zone, mid-tide zone, high-tide zone, spray zone
  3. divided into 3 zones based on the amount of sunlight that penetrates that water
  4. pelagic zone, abyssal zone and benthic zone
  5. free-floating photosynthetic autotrophs that live in freshwater or marine ecosystems

5 True/False questions

  1. aquatic ecosystemsgrouped based on abiotic factors such as water flow, distance from shore, salinity and latitude

          

  2. benthic zoneshallow enough that light can penetrate

          

  3. photic zoneremains on constant darkness and generall y is cold, but has thermal layering with a mixing of warm and cold ocean currents

          

  4. littoral zonearea of lakes/ponds closest to the shore

          

  5. major freshwater ecosystemsgrouped based on abiotic factors such as water flow, distance from shore, salinity and latitude