CAPE Biology Unit 2 · 2015 · Paper 1 · Question Q11
Which of the following combinations represent limitations of using pyramids of energy to describe relationships between trophic levels in ecosystems? I. A single grass plant has the same status as a tree. II. It requires combustion of representative samples, which may be time-consuming. III. It may be difficult to assign a species to one trophic level, for example, omnivores. IV. True pyramid shapes are not always obtained as some may be inverted.
- (A)I and II only
- (B)I and III only
- (C)II and III only
- (D)II, III and IV only
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