biol_119__test_1_practice

biol_119__test_1_practice - Exam I S '07 February 12, 2007...

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Exam I S '07 Name________________________________ February 12, 2007 CHAPTERS 32-34, 40-42 Figure 32.1 Figure 32.1 shows a chart of the animal kingdom set up as a modified phylogenetic tree. Use the diagram to answer the following questions. 1) Which group contains diploblastic organisms? A) I B) II C) III D) IV E) V 2) Which group consists of deuterostomes? A) I B) II C) III D) IV E) V 3) Which group includes both ecdysozoans and lophotrochozoans? A) I B) II C) III D) IV E) V 4) Which two groups have members that undergo ecdysis? A) I and II B) II and III C) III and IV D) III and V E) IV and V 5) At which stage would one be able to first distinguish a diploblastic embryo from a triploblastic embryo? A) fertilization B) cleavage C) gastrulation D) organogenesis E) metamorphosis 6) What should animals as diverse as corals and monkeys have in common? A) body cavity between body wall and digestive system B) number of embryonic tissue layers C) type of body symmetry D) presence of Hox genes E) degree of cephalization
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7) Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the A) Cambrian period. B) Ediacaran period. C) Permian period. D) Carboniferous period. E) Cretaceous period. 8) Cephalization is primarily associated with A) adaptation to dark environments. B) method of reproduction. C) fate of the blastopore. D) type of digestive system. E) bilateral symmetry. 9) What are the cells in a sponge that are primarily responsible for trapping food particles from circulating water? A) amoebocytes B) choanocytes C) mesohyl cells D) pore cells (porocytes) E) epidermal cells 10) All of the following are characteristics of the phylum Cnidaria except A) a gastrovascular cavity. B) a polyp stage. C) a medusa stage. D) cnidocytes. E) a pseudocoelom. 11) Which of the following is not found in annelids? A) a hydrostatic skeleton B) segmentation C) a digestive system with separate mouth and anus D) a closed circulatory system E) a cuticle made of chitin 12) An arthropod has all the following characteristics except A) protostome development. B) bilateral symmetry. C) a pseudocoelom. D) three embryonic germ layers. E) an open circulatory system. 2
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13) Which of the following is a characteristic of adult echinoderms? A) secondary radial symmetry B) spiral cleavage during early embryonic development C) gastrovascular cavity D) exoskeleton E) a lophophore 14) Which of these statements is true of sponges? A) They have an open circulatory system. B) They are segmented animals. C) They have no true tissues. D) Food is digested within a gastrovascular cavity. E) They are pseudocoelomates. 15) Which two main clades branch from the earliest Eumetazoan ancestor? A) Porifera and Bilateria
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This note was uploaded on 03/31/2008 for the course BIO 119 taught by Professor O'donnellandspear during the Fall '07 term at SUNY Geneseo.

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biol_119__test_1_practice - Exam I S '07 February 12, 2007...

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