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5 Written questions

5 Matching questions

  1. coral reefs
  2. aquatic ecosystems
  3. coral reef animals
  4. lake or pond
  5. aphotic zone
  1. a form natural barriers along continents that protect shorelines from erosion
  2. b grouped based on abiotic factors such as water flow, distance from shore, salinity and latitude
  3. c below the photic zone; where sun is unable to penetrate
  4. d microoorganisms, sea slugs, octopuses, sea urchins, sea stars, and fishes
  5. e an inland body of standing water

5 Multiple choice questions

  1. widely distributed in warm shallow marine waters
  2. areas of land such as marshes, swamps and bogs that are saturated with water and that suport aquatic plants
  3. free-floating photosynthetic autotrophs that live in freshwater or marine ecosystems
  4. receives more water than the spray zone, so more plants & animals are able to live there
  5. organisms in this zone rely on food materials that drift down from the zones above

5 True/False questions

  1. benthic zonearea along the ocean floor that consists of sand, silt, and dead organisms


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


  3. profundal zonearea of lakes/ponds closest to the shore


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


  5. coralswhere flowing water empties into a larger body of water