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CAPE Biology Unit 1 · 2006 · Paper 2 · Question 3(b)

A paragraph describes dinosaurs reigning 60 million years ago, their adaptation, and theories for their demise, including evolving small mammals eating eggs and a meteor impact causing atmospheric darkening, obliterating photosynthesis, and eliminating food chains.

State THREE types of selection mentioned in the paragraph, and for EACH type, paraphrase a sentence from the passage to describe it.

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Other parts of this question

  1. 3(a)Using distinguishing features of these reptiles, construct a set of dichotomous keys to assist in their identification.[4 marks]

More practice: the rest of this paper · more Natural Selection questions · all CAPE Biology Unit 1 past papers