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5 marksClassification of Living Organisms

CSEC Biology · May/June 2017 · Paper 2 · Question 2(a)

Figure 3 represents the Whittaker Five-Kingdom Classification of living organisms.

Complete the classification by writing the correct answers at (i), (ii), (iii), (iv) and (v) in Figure 3.

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Other parts of this question

  1. 2(b)(i)Define the term 'species'.[2 marks]
  2. 2(b)(ii)Using the human species as an example, explain why physical appearance or morphology is NOT always useful for identifying organisms belonging to the same…[2 marks]
  3. 2(b)(iii)Suggest ONE reason why biologists use the biological concept of species instead of physical characteristics to classify organisms.[2 marks]
  4. 2(c)(i)Using the biological concept of a species, state TWO reasons why they were reclassified.[2 marks]
  5. 2(c)(ii)The new species of lizards living in the mountainous region of the island were found to be smaller than those living on the lowlands. Suggest TWO reasons for…[2 marks]

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