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1 markFood Chains, Food Webs, and Decomposers

CSEC Biology · May/June 2016 · Paper 2 · Question 2(a)(iii)a)

Name the organism which performs EACH of the following functions in the food web drawn in (a) (i) on page 10: Both as a prey and a predator.

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Other parts of this question

  1. 2(a)(i)In the box provided below, draw a food web consisting of the following organisms: Algae, Small fish, Tadpole, Water snake, Egret, Eagle.[3 marks]
  2. 2(a)(ii)What is the role of the organism at the start of the food web?[1 mark]
  3. 2(a)(iii)b)Name the organism which performs EACH of the following functions in the food web drawn in (a) (i) on page 10: Primary consumer.[1 mark]
  4. 2(a)(iii)c)Name the organism which performs EACH of the following functions in the food web drawn in (a) (i) on page 10: Secondary consumer.[1 mark]
  5. 2(a)(iii)d)Name the organism which performs EACH of the following functions in the food web drawn in (a) (i) on page 10: Tertiary consumer (top carnivore).[1 mark]
  6. 2(a)(iv)From your food web in (a) (i), draw a food chain consisting of THREE organisms.[1 mark]
  7. 2(a)(v)What is the role of the organism to which the arrow points in a food chain?[1 mark]
  8. 2(a)(vi)Explain why energy flows in one direction in the food chain.[2 marks]
  9. 2(b)List THREE features of an environment which support living organisms.[3 marks]

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