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3 marksGrowth

CSEC Biology · May/June 2010 · Paper 2 · Question 2(a)

In an experiment on germinating seedlings, Biology students made drawings (Figure 3) to illustrate changes over a five-day period.

Label on the drawing in Figure 3, THREE parts of the seedling shown on Day 5.

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Other parts of this question

  1. 2(b)Outline the changes that took place in the seed to allow the development shown in Figure 3.[3 marks]
  2. 2(c)(i)The development shown by the seedling is a type of 'movement'. What is the name given to this type of movement?[1 mark]
  3. 2(c)(ii)State TWO ways in which the movement shown by the seedling differs from that of an earthworm moving through its burrow.[4 marks]
  4. 2(d)(i)Identify TWO physical factors that can cause an earthworm to move deeper into its burrow.[2 marks]
  5. 2(d)(ii)Explain why moving deeper into its burrow is important to the earthworm.[2 marks]

More practice: the rest of this paper · more Growth questions · all CSEC Biology past papers