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5 Written questions

5 Matching questions

  1. aquatic ecosystems
  2. profundal zone
  3. spray zone
  4. salt marshes
  5. plankton
  1. a free-floating photosynthetic autotrophs that live in freshwater or marine ecosystems
  2. b deepest areas of a large lake
  3. c area of intertidal zone that is dry most of the time
  4. d grouped based on abiotic factors such as water flow, distance from shore, salinity and latitude
  5. e transitional ecosystems similar to estuaries

5 Multiple choice questions

  1. material that is deposited by water, wind or glaciers
  2. only during high tides that this part of shoreline is sprayed with salt water and few plants & animals are able to live in this environment
  3. feed by extending tentacles to obtain plankton from the water
  4. remains on constant darkness and generall y is cold, but has thermal layering with a mixing of warm and cold ocean currents
  5. nutrient poor lakes, often found in mountains

5 True/False questions

  1. aphotic zonepart of pelagic zone


  2. photic zoneanimals living here include may species of fish, sea turtles, jellyfish, whales and dolphins


  3. transitional aquatic ecosystemsaquatic environments that are a combination of two or more different environments;


  4. photic zonealso called the euphotic zone


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