CAPE Environmental Science Unit 1 · 2014 · Paper 2 · Question 1(c)
Explain why phosphorus serves as a limiting growth factor in terrestrial ecosystems.
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Practise this questionOther parts of this question
- 1(a)(i)Calculate the energy available at the primary consumer level.[2 marks]
- 1(a)(ii)Explain how energy flows through the trophic levels.[2 marks]
- 1(b)(i)Define 'carrying capacity'.[2 marks]
- 1(b)(ii)Explain the importance of carrying capacity in sustaining ecological balance.[4 marks]
- 1(d)(i)Using the data in Table 1 and an appropriate formula, calculate the estimated population size of deer in Royal Park.[4 marks]
- 1(d)(ii)State TWO assumptions underlying the capture-mark-recapture technique.[2 marks]
More practice: the rest of this paper · more Ecology, Niches, and Interactions questions · all CAPE Environmental Science Unit 1 past papers