practice exam unit 4

practice exam unit 4 - 1. A _ is a chordate but not a...

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1. A ____________ is a chordate but not a vertebrate. a. Lamprey b. Shark c. Lancelet d. Sea star 2. Unlike other craniates, hagfish do not have __________. a. Vertebrae b. Pharyngeal slits c. A notochord d. A muscular, post-anal tail 3. A lamprey, a shark, a lizard, and a rabbit share all of the following characteristics except __________. a. Pharyngeal clefts in the embryo b. Vertebrae c. Hinged jaws d. A post-anal tail 4. A feature of bony fish not found in sharks is __________. a. Mineralized teeth b. Pelvic and pectoral fins with bony supports c. A swim bladder d. A lateral line system 5. Which of the following animals is an amphibian? a. Caecilian
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Frog c. Salamander d. All of the above e. None of the above 6. The adaptation that freed vertebrates from water for reproduction was: a. Operculum b. Placenta c. Bony appendage d. Amniotic egg 7. All mammals _______________. a. Bear live young b. Complete their embryonic development in the uterus c.
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This note was uploaded on 09/19/2011 for the course BIO 212 taught by Professor Mayfield during the Spring '10 term at Iowa State.

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practice exam unit 4 - 1. A _ is a chordate but not a...

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