Tutorial 6 - Bio122 Tutorial 6 (Lecture 6) 1. Which of the...

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Bio122 Tutorial 6 (Lecture 6) 1. Which of the following is not a shared characteristic of all chordates? a. pharyngeal slits b. post-anal tail c. notochord d. dorsal, hollow nerve cord e. four-chambered heart 2. Pharyngeal slits appear to have functioned first as a. the digestive system’s opening b. suspension-feeding devices c. gill slits for respiration d. portions of the inner ear 3. Which of these is Not one of the characteristics of a vertebrate? a. radial symmetry b. Segmentation c. extreme cephalization d. closed circulation e. coelom 4. Although adult tunicates are stuck to the ocean bottom, they are considered early relatives of vertebrates because a. tunicate gill slits are like ribs b. tunicate adults have a notochord. c. tunicate larvae have a notochord. d. all vertebrate embryos go through a stage that resembles adult tunicates. 5. How are lampreys different from hagfishes? a. lack jaws b. have cranium c. pharyngeal clefts that develops into pharyngeal slits d. have notochord throughout the life e. notochord is surrounded by a tube of cartilage BIO122: Tutorial 6
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6. Which of these characteristics is Not found in the amphibians? a.
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Tutorial 6 - Bio122 Tutorial 6 (Lecture 6) 1. Which of the...

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