What is the sister group of the metazoans be familiar

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Unformatted text preview: exoskeleton coelom segmentation foot, visceral mass, mantle radula 1 Key concepts What features characterize metazoans? What evidence supports the hypothesis that animals are a monophyletic group? What is the sister group of the metazoans? Be familiar with the phylogeny of the major lineages of animals, and their characteristics. Understand the basic outlines of animal development. Understand the concept of an animal body plan. Review the main features of sponges, cnidarians, molluscs and annelids. 2 Quiz 7: Arthropoda; Echinodermata; Chordata • Chapter 32: sections 32.3, 32.4; focus on arthropods (also see Recaps at the end of these sections and the chapter summary) • Chapter 33: sections 33.1, 33.2, 33.3, 33.4; focus on echinoderms and chordates (also see Recaps at the end of these sections and the chapter summary) • Tables: 32.2, 33.1 • Figures: 32.25, 32.26, 33.1, 33.3, 33.6, 33.8, 33.10, 33.18 Some terms you should be familiar with for quiz 7 cuticle chitin head, trunk, thorax, abdomen metamorphosis pharyngeal slits pentaradial symmetry water vascular system tube feet notochord dorsal nerve chord post- anal tail vertebral column cranium jaws gill arches swim bladders amniote egg Key concepts Be familiar with the major kinds of arthropods and their characteristics Distinguish between incomplete and complete metamorphosis in insects. Why are there so many species of insects compared to other animals? What distinguishes deuterostomes from other animals? What evolutionary novelties are shown by the chordates? What distinguishes vertebrates from other chordates? Review the major groups of vertebrates and their salient features. What changes in morphology and physiology accompanied the transition from water to land in vertebrates? 3...
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This document was uploaded on 04/06/2014.

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