Ecology: food chains and food webs — KCSE Biology
KCSE Biology · 72 practice questions · 3 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Construct food chains and food webs from given data
Identify producers, consumers, and decomposers
Ecology: food chains and food webs
Sample Questions
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Identify two roles of decomposers in an ecosystem. (2 marks)
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Name the trophic level occupied by the rabbit in the food chain: grass → rabbit → fox. (1 mark)
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Identify the primary producer in the following food chain: grass → rabbit → fox. (1 mark)
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Study the following food chain: Maize → Grasshopper → Lizard → Snake → Eagle (a) Identify the organism at the third trophic level (secondary consumer). (1 mark) (b) Name the trophic level occupied by Grasshopper. (1 mark) (c) What do the arrows in a food chain represent? (1 mark)
Why Practise Ecology: food chains and food webs?
KNEC Aligned
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