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3 marksEnergy Flow and Nutrient Cycling

CAPE Biology Unit 2 · January 2023 · Paper 2 · Question 3(b)(ii)

The ecologist observed a food chain which consisted of a plant, a mouse, a cockroach and a bird. Based on the feeding relationship observed, the organisms were described as herbivores, carnivores or omnivores.

Draw a food chain with the FOUR organisms listed.

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Other parts of this question

  1. 3(a)(i)Define the term 'species'.[2 marks]
  2. 3(a)(ii)Suggest TWO possible outcomes if the two species compete for the same resources.[2 marks]
  3. 3(b)(i)Define the following terms: Carnivore, Omnivore, Herbivore.[3 marks]
  4. 3(b)(iii)Identify the herbivore and carnivore from the food chain.[2 marks]
  5. 3(c)Explain the changes in the population density of the rabbits and wolves with time.[3 marks]

More practice: the rest of this paper · more Energy Flow and Nutrient Cycling questions · all CAPE Biology Unit 2 past papers