Introduction to Vertebrate Zoology Bio1419 Lectures 1-10 questions with correct answers
Zoology CORRECT ANSWER The branch of biology that deals with animals and animal life. Includes structure, behavior, physiology, development and classification of animals Hemichordates CORRECT ANSWER Acorn worms and pterobranchs. Have gill pores, dorsal hollow nerve cord, notochord, buccal diverticulum, open circulatory system and unique glomerulus. Classes enteropreusta and pterobranchia Chordates CORRECT ANSWER Have a notochord, a dorsal hollow nerve cord, post-anal tail and pharynx with gill slits. Bilateral symmetry. Possibly ancestors: Annelids (Semper and Dohrn), Echinoderms (GBR hypothesis) Hemichordates (Jollie, Cameron, most likely) Urochordata CORRECT ANSWER Tunicates or sea squirts (larvae mobile, adults sessile Cephalochordata CORRECT ANSWER Lancelets, amphioxus, branchiostoma Vertebrata CORRECT ANSWER Vertebrates, crainata, duplication hox gene complex, neural crest Fish CORRECT ANSWER All the vertebrates that are not tetrapods Conodonts CORRECT ANSWER Early vertebrates, microfossils cambrian-triassic, made of apatite Agnatha CORRECT ANSWER Jawless fish, 2 classes hagfish and lampreys Myxinoidea CORRECT ANSWER Hagfish - skull cartilage, no jaws or vertebrae
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