CSEC Biology · May/June 2021 · Paper 2 · Question 3(d)(i)
Explain why there are fewer organisms at the top than at the bottom of the food web.
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Practise this questionOther parts of this question
- 3(a)(i)Identify a producer from the food web.[1 mark]
- 3(a)(ii)Identify a predator from the food web.[1 mark]
- 3(a)(iii)Identify a primary consumer from the food web.[1 mark]
- 3(b)State two roles of the producer in the food web.[2 marks]
- 3(c)(i)Identify one biotic factor that would affect the organisms shown in Figure 3.[1 mark]
- 3(c)(ii)Identify one abiotic factor that would affect the organisms shown in Figure 3.[1 mark]
- 3(d)(ii)Discuss two possible consequences of the hawk becoming extinct in the ecosystem shown in Figure 3.[4 marks]
- 3(e)Suggest two reasons why decomposers are important organisms in all food webs.[2 marks]
More practice: the rest of this paper · more Food Chains, Food Webs, and Decomposers questions · all CSEC Biology past papers