CAPE Environmental Science Unit 1 · 2004 · Paper 1 · Question 3(b)
State two reasons why some factors affecting species survival are termed 'limiting factors'.
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Practise this questionOther parts of this question
- 3(a)(i)From Figure 2, identify the pH range of the soil for the zone of physiological stress.[1 mark]
- 3(a)(ii)From Figure 2, identify the pH range of the soil for the zone of intolerance.[1 mark]
- 3(a)(iii)From Figure 2, identify the pH range of the soil for the optimal range.[1 mark]
- 3(c)State one effect on a population when an abiotic factor shifts beyond its limit of tolerance.[1 mark]
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