Quelpr
4 marksEcology, Niches, and Interactions

CAPE Environmental Science Unit 1 · 2009 · Paper 2 · Question 3(b)

Outline how predation may be of benefit to the prey population represented in Figure 2.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)With reference to Figure 2, describe the variation in the population size of BOTH organisms over the eight-month period.[4 marks]
  2. 3(c)Explain how ONE density independent factor may impact the size of the snail population.[4 marks]
  3. 3(d)Assess TWO possible impacts on the ecosystem if the population of snails is significantly reduced by draining the waterway.[8 marks]

More practice: the rest of this paper · more Ecology, Niches, and Interactions questions · all CAPE Environmental Science Unit 1 past papers