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Mitochondrial DNA

Biology Study Guide

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Biology, 7e (Campbell) Chapter 25: Phylogeny and Systematics Chapter Questions 1) Which combination of the following species characteristics would cause the greatest likelihood of fossilization in sedimentary rock? I. The species was abundant. II. The species was widespread. III. The species had hard body parts. IV. The species was adapted to desert life. V. The species had a long duration in geologic time. A) III only B) III and IV C) I, II, and III D) I, II, and V E) I, II, III, and V Answer: E Topic: Concept 25.1 Skill: Comprehension 2) The ostrich and the emu look very similar and live in similar habitats, however they are not very closely related. This is an example of A) divergent evolution. B) convergent evolution. C) exaptation. D) adaptive radiation.
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