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The diagram below represents a feeding relationship in an ecosystem.
BioF4T1P2q1

  1. Name the type of ecosystem represented by the above food web. (1mk)
  2. Name the organisms in the food web that
    • Are producers (1mk)
    • Occupies the highest trophic level (1mk)
  3.    
    • Write a food chain that ends with the hawk as quaternary consumer. (1mk)
    • State two short term effects on the above ecosystem if all the small fish were killed 

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  1. Aquatic
  2.   
    • Phytoplanktons
    • Hawks
  3.    
    • Phytoplanktons→Zooplanktons→Frogs →Snakes → Hawks
    •    
      • Snakes would decrease due to less food;
      • Zooplanktons would increase due to fewer predators;
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