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5 Written questions

5 Matching questions

  1. photic zone
  2. spray zone
  3. coral reefs
  4. estuaries
  5. lake or pond
  1. a form natural barriers along continents that protect shorelines from erosion
  2. b an ecosystem that is formed where freshwater form a river or a stream merges with salt water from the ocean
  3. c 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
  4. d an inland body of standing water
  5. e animals living here include may species of fish, sea turtles, jellyfish, whales and dolphins

5 Multiple choice questions

  1. organisms in this zone rely on food materials that drift down from the zones above
  2. grouped based on abiotic factors such as water flow, distance from shore, salinity and latitude
  3. free-floating photosynthetic autotrophs that live in freshwater or marine ecosystems
  4. nutrient poor lakes, often found in mountains
  5. freshwater

5 True/False questions

  1. salt marshestransitional ecosystems similar to estuaries


  2. coralssoft-bodied invertebrates that live in the stonelike structures


  3. photic zonepart of pelagic zone


  4. benthic zonemany species of fishes, octopuses and squids live in this zone


  5. eutropicnutrient rich lakes, found at lower altitudes


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