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2 marksHuman Impact on the Environment

CSEC Biology · January 2006 · Paper 2 · Question 5(b)(ii)

A new housing settlement is erected near the pond.

After a period of heavy showers an algal bloom appears in the pond. Suggest a reason for this increase in the population of algae in the pond.

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Other parts of this question

  1. 5(a)(i)Identify TWO biotic and TWO abiotic factors illustrated in the diagram.[4 marks]
  2. 5(a)(ii)Suggest TWO ways in which any of the biotic and abiotic factors interact.[4 marks]
  3. 5(b)(i)Suggest FOUR precautions residents must take to preserve the pond as a natural habitat.[4 marks]
  4. 5(b)(iii)Explain ONE possible consequence of the rapid increase in algae population.[2 marks]

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