4 marksEcological Systems, Biodiversity and Conservations

CAPE Biology Unit 2 · 2015 · Paper 2 · Question 4(b)

Outline the current view of the relationship between biological diversity and ecosystem stability, and briefly discuss evidence in support of this viewpoint.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

4(a)(i)Explain why energy transfer between trophic levels is considered relatively inefficient, providing a brief definition of 'trophic level' and THREE reasons for…[6 marks]
4(a)(ii)Briefly describe the THREE types of biological pyramids and comment on which type is the most useful for representing the productivity of EACH trophic level.[5 marks]

More practice: the rest of this paper · more Ecological Systems, Biodiversity and Conservations questions · all CAPE Biology Unit 2 past papers