Fill in the blanks w/ synapomorphic, symplesiomorphic, or neither: The presence of brain regionalization is a __ feature of tetrapods relative to conditions in other vertebrates, but is a __ feature of Chordata considered alone. The presence of a post-anal tail, a dorsal hollow nerve cord, a notochord, and external gills are __ features of Chordata, __ features of Urochordates, __ features of (cephalochordates + vertebrates) relative to conditions in other organisms.

Fill in the blanks w/ synapomorphic, symplesiomorphic, or neither: The presence of brain regionalization is a feature of tetrapods relative to conditions in other vertebrates, but is a feature of Chordata considered alone. The presence of a post-anal tail, a dorsal hollow nerve cord, a notochord, and external gills are features of Chordata, features of Urochordates, __ features of (cephalochordates + vertebrates) relative to conditions in other organisms.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter29: Vertebrates

Section: Chapter Questions

Problem 1VCQ: Figure 29.3 Which of the following statements about common features of chordates is true? The dorsal...

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Which of the following are the defining features of animals that belong to the phylum chordata? (bubble all 4 that apply) Dorsal hollow nerve chord O Spinal column Muscular post anal tail Pharyngeal slits/pouches O Lung tissue Four chambered heart O Notochord
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Which of the 4 characteristics of Phylum Chordata is visible on this organism? Pharyngeal slits Dorsal hollow nerve cord Notochord Post-anal tail
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"Synapomorphies that unite anurans, caecilians, and salamandars and distinguish them from other organisms include _____." moist skin with mucous glands 1 hole (fenestra) in the temporal region of the skull intercostal muscles and diaphragm used for ventilation secondary loss of appendages in adults all of these are synapomorphies of lissamphibians
Figure 15.3 Which of the following statements is false? a. Eumetazoa have specialized tissues and Parazoa do not. b. Both acoelomates and pseudocoelomates have a body cavity. c. Chordates are more closely related to echinoderms than to rotifers according to the figure. d. Some animals have radial symmetry, and some animals have bilateral symmetry.
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Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glands
Figure 27.9 Which of the following statements about diploblasts and triploblasts is false? Animals that display radial symmetry are diploblasts. Animals that display bilateral symmetry are triploblasts. The endoderm gives rise to the lining of the digestive tract and the respiratory tract. The mesoderm gives rise to the central nervous system.