Biology 5090 · O Level · Energy flow

Energy flow — practice question

Mealybugs are tiny insects that feed on crops such as mango and coffee. They harm the crops and lower the yield and profits for farmers. Lacewing insects and ladybird beetles both feed on mealybugs. Which row shows the positions of some of the organisms in this food chain?

  • Aproducer: lacewing; herbivore: mealybug; carnivore: coffee
  • Bproducer: coffee; herbivore: mealybug; carnivore: lacewing
  • Cproducer: mealybug; herbivore: ladybird; carnivore: mango
  • Dproducer: mango; herbivore: ladybird; carnivore: mealybug

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