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C8e_26_Test_Bank - Biology 8e(Campbell Chapter 26 Phylogeny...

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Biology, 8e (Campbell) Chapter 26 Phylogeny and the Tree of Life Multiple-Choice Questions 1) The legless condition that is observed in several groups of extant reptiles is the result of A) their common ancestor having been legless. B) a shared adaptation to an arboreal (living in trees) lifestyle. C) several instances of the legless condition arising independently of each other. D) individual lizards adapting to a fossorial (living in burrows) lifestyle during their lifetimes. Answer: C Topic: Concept 26.1 Skill: Knowledge/Comprehension 2) The scientific discipline concerned with naming organisms is called 3) The various taxonomic levels (viz, genera, classes, etc.) of the hierarchical classification system differ from each other on the basis of A) how widely the organisms assigned to each are distributed throughout the environment. B) the body sizes of the organisms assigned to each. C) their inclusiveness. D) the relative genome sizes of the organisms assigned to each. E) morphological characters that are applicable to all organisms. Answer: C Topic: Concept 26.1 Skill: Knowledge/Comprehension 4) Which of these illustrates the correct representation of the binomial scientific name for the African lion? 1
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5) A phylogenetic tree that is "rooted" is one 6) The correct sequence, from the most to the least comprehensive, of the taxonomic levels listed here is A) family, phylum, class, kingdom, order, species, and genus. B) kingdom, phylum, class, order, family, genus, and species. C) kingdom, phylum, order, class, family, genus, and species. D) phylum, kingdom, order, class, species, family, and genus. E) phylum, family, class, order, kingdom, genus, and species. Answer: B Topic: Concept 26.1 Skill: Knowledge/Comprehension
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