CSEC Biology · May/June 2013 · Paper 2 · Question 1(b)
Suggest TWO causes of variation among members of the same species.
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- 1(a)In the space below, construct a table using the data presented in Figure 1.[3 marks]
- 1(c)Explain how the type of variation shown in Table 1 differs from the type of variation represented by Figure 1.[4 marks]
- 1(d)(i)Name TWO substances that are transported by blood.[2 marks]
- 1(d)(ii)Explain how this will affect the ability of these three students to perform well in sports.[4 marks]
- 1(e)(i)Draw and annotate a diagram to show how the following materials could be set up to investigate the rate at which water moves through the xylem vessels under…[4 marks]
- 1(e)(ii)Write a suitable hypothesis for this investigation.[2 marks]
- 1(f)Relate the structure of xylem vessels to their role in the transport of water through plant stems.[4 marks]
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