BIOL1030-Lecture test3

Gnathostomes include a whale sharks b hagfishes c

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Unformatted text preview: iary comb plates and bioluminescence. What is it? A) Cnidarian B) Medusa C) hydrocoral D) ctenophore E) hydroid 41. A land snail, a clam, and an octopus all share A) gills B) a radula. C) a mantle. D) embryonic torsion. E) distinct cephalization. 4 42. Chromatophores are _____________. A) oil ­filled organs to keep buoyancy for cartilaginous fishes. B) collections of stem cells near dorsal margins of the closing neural tube in an embryo of Craniata C) larvae of tunicates which has tunic covering the body. D) collections of cells containing colored pigments in cephalopods. E) tube ­like structure in which water flows in bivalves. 43. What is this? A) waterbear B) horseshoe crab C) bivalve D) isopod E) chiton 44. A shark belongs to the group _________. A) Aganatha B) Chondrichthyes C) Osteichthyes D) Actinopterygii E) Gnathostomata 45. Th...
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This note was uploaded on 03/20/2014 for the course BIOL 1030 at Auburn University.

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