CSEC Human and Social Biology · January 2010 · Paper 2 · Question 14(a)(ii)
Feeding relationships and ecological roles.
What is meant by the term 'primary producer'?
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Practise this questionOther parts of this question
- 14(a)(i)Define EACH of the following terms: Herbivore, Carnivore, Omnivore.[3 marks]
- 14(b)Construct a food chain consisting of the following organisms: mountain chicken, cricket, humans, grass, and lizard.[3 marks]
- 14(c)(i)Discuss the adverse effects of insecticides on the environment, providing THREE distinct points.[6 marks]
- 14(c)(ii)Farmers decide to use biological control using a wasp to kill citrus bugs. Suggest ONE advantage of this biological control method and TWO possible effects on…[6 marks]
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