CAPE Biology Unit 2 · 2009 · Paper 2 · Question 4(b)
Explain why energy is said to flow through, and not cycle, as it is transferred within an ecosystem.
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Practise this questionOther parts of this question
- 4(a)Distinguish between the terms 'ecosystem' and 'ecological niche'.[4 marks]
- 4(c)(i)Using examples, explain the difference between the terms 'in situ' and 'ex situ' as they relate to biological conservation.[3 marks]
- 4(c)(ii)Discuss TWO challenges associated with the use of zoological parks for the maintenance of biodiversity of large mammals.[4 marks]
More practice: the rest of this paper · more Energy Flow and Nutrient Cycling questions · all CAPE Biology Unit 2 past papers