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Study the food web below representing a certain ecosystem and use it to answer the questions that follow.
         food web representing certain ecosystem

  1. State the trophic level occupied by the lion in the food web. 
  2. Write down a food chain in which the vulture is a tertiary consumer.
  3.  
    1. Name the organism with the largest biomass.
    2. Give two reasons

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  1. Secondary consumer;
  2.  
    • Grass → antelopes → lions → vulture;
    • Grass → caterpillars → Guinea fowl → Vulture;
  3.  
    1. Grass;
    2.  
      • Many organism’s depend on it for food/energy, being the primary producer;
      • energy is lost during its transfer to higher levels through respiration, excretion and defecation
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