What does recent evidence from molecular systematics

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54) What does recent evidence from molecular systematics reveal about the relationship between grades and clades? A) They are one and the same. B) There is no relationship. C) Some, but not all, grades reflect evolutionary relatedness. D) Grades have their basis in, and flow from, clades. E) Each branch point on a phylogenetic tree is associated with the evolution of a new grade. Answer: C Topic: Concept 32.4 Skill: Knowledge/Comprehension 55) What is characteristic of all ecdysozoans? 56) What kind of data should probably have the greatest impact on animal taxonomy in the coming decades? 15
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Topic: Concept 32.4 Skill: Knowledge/Comprehension 57) Phylogenetic trees are best described as 58) According to the evidence collected so far, the animal kingdom is A) monophyletic. B) paraphyletic. C) polyphyletic. D) euphyletic. E) multiphyletic. Answer: A Topic: Concept 32.4 Skill: Knowledge/Comprehension 59) If a multicellular animal lacks true tissues, then it can properly be included among the 60) Which of the following organisms are deuterostomes? 61) Which of the following statements concerning animal taxonomy is (are) true? 16
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1. Animals are more closely related to plants than to fungi. 2. All animal clades based on body plan have been found to be incorrect. 3. Kingdom Animalia is monophyletic. 4. Only animals reproduce by sexual means. 5. Animals are thought to have evolved from flagellated protists similar to modern choanoflagellates.
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