Exam 2 Spring 2011

Exam 2 Spring 2011 - Name: l Lab Section: Animal Biology:...

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Unformatted text preview: Name: l Lab Section: Animal Biology: Exam 2 — Spring 2011 120 points (40, 3-pt. questions) at the top of your All questions are multiple choice , so please select the best available answer. You have 50 minutes to complete the exam K _ 9 ' u,» m eyelgpz‘réganization? H 8 123" O 2’ D“ ("D ’6’ E O E {:5 (m *d 5" ‘5. s» (D >4 E‘ 6" L1 (/1 9* “C3 § y—u SD (/1 LT 0 9+ k b. Cnidaria c. Platyhelmenthis 2. Think about all of the phyla that we have talked about so far in class. If an animal is bilaterally symmetric what body plan does it have? a. Diploblastic b. Triploblastic c. Coelomate @ b and c e. Impossible to determine without more information. 3. The life cycle of many rotifers alternates between . freshwater and marine habitats @ ,manhenogenetie v and-zsexual—eyeles . polyp and medusa forms 4. Members of this protozoan phyla can form “red tides” a. Ciliphora ' Dinoflagellata c. Apicomplex d. Euglenozoa 5. Rotifers have which type of digestive tract? a; " "They do not have onerbecause of their ‘parasiticii’fe'style b. Incomplete Complete d. Partheno genetic 6. Generally, protozoans in marine systems are: Isotonic b. Hypertonic c. Hypotonic d. Solutonic 7. All of the following are true with respect to reproduction in Poriferans except: ,oduee-asexuallyihrough—budding~ Some produce free floating larva called parenchymula e “S'ome’arezdiecious Adr—SomepmducecoxeminteringcapsnlesW 8. Member of the phylum Ctenophora possess to help capture prey. Mm Colloblasts cl Kinetoplasts d. Nematocyts 9. Which of the following characteristic is present in the Phylum Nemertea, but not preent in the Phylum Platyhelminthes? 6:» losed circulatory system a n i ineem icwdiploblastictissue.cleveliorganization d. radialsymmetry 10. Most adult tapeworms have a long series of repeating units that contain reproductive structures called: a. Glochidium b. Encyst c. Metameric (3;; Proglottids 11. Which of the following is a potential ancestor linking the protozoans with other » multicellular animals -« ~ -r r a» a. Trematodes bT Fluke worms @ Choanoflagellata d. Dinoflagellates 12. This Poriferan body form has an extensively branched canal system and it does not have a spongocoel. "bar-wSyeonoidv _ Leuconoid . Sponginoid 13. Cnidarians use cnidocytes for all of the following functions except: Attachment b,.MDefense c.’ “Feeding d.,«,..Reprod-uction 14. All of the following arevcharacteristigs ' ians except? / v» V _ ‘ a. They are radially orgbilaterally symmetric 13'- Iheitamedipigniastic- _ They have a gastrovascular cavity 15. These types of cells are located in the mesophyl of sponges and specialize in man functions including reproduction and food transport and storage. Pinacocytes ‘ . Archaeocytes c. Choanocytes d. Ascon 16. All of the. following are true with respect to protozoans except? a, They are single celled organisms (some are colonial) They are all heterotrophic .cm (“They-area polyphletiogrenprww 17. Ctneophorans exhibit which type of symmetry? . _ . Asymmetrical . Radial or biradial mammal W 18. Which of the following characteristics are possessed by members of the phylum Rotifera? a. corona and mastax b. corona and Archaecoytes c. cuticle and tegument @ tegument and opisthaptor e. proglotids and strobila 19. Amoeboid protozoans use to move. a. flagella ® pseudopodia c. cilia d. all of the above 20. All of the following are potential benefits of multicellularity except: bfiGenerally allows for less complexity f -7” "Allows forIvthe-‘elevelepmentofitissue.systemsg—‘org‘anasystem'sretc. d. Potentially helps with defense and food availability 21. All of the following are true with respect to protozoa except: il.—the¥a¥e-eukaryofie @hey are all heterotrophic fdkwwbnothaandnaneirue. 22. Zooxanthellae represent a relationship between which two phyla? - a. Ctenophora and Cnidaria b. Euglenoidea and Platyhelminthes c. Dinoflagellata and Cnidaria Anthozoa and Cnidaria 23. The skeleton of a sponge is often made up of a. Choanoflagellates ‘ ® Spicules “c. Glochidium d. Asconoids 24. The Protozoa that causes malaria is within the genus a. Entamoeba b. T oxoplasma f"? ‘ . to? Parameczum d. Plasmodium 25. A protozoan parasite within the genus is responsible for sleeping sickness and requires two hosts including humans and T yrpanosoma, tetse flies b.., Qilzphamyfreshwatersnafls c: e-mgmarfish ,d. Cestoz'dea, mosquito 26. Parthenogenetic reproduction occurs in Rotifers when: a. Environmental conditions are good Environmental conditions are bad c. All the time d. None of the above 27. Which of the following does not possess a digestive tract? (at Cestoidea .. Monogenea er—i’v‘cmertea d. W ‘ é; Turbellaria 28. Which class of Platyhelminthes includes Schistosome flukes? af’CES‘tUi'dea ' r Monogenea c. Trematoda d. Turbellaria 29. The psuedocoelomates are a polyphyletic group, meaning that they are grouped has on . V ' Evolutionary relationships Wait-313% c. Behavior ‘d‘TWECUl'O‘gy 30. Which class of Cnidaria has only a polyp stage? a. Hydrozoa Woe .MQJibQZQaw @ Anthozoa 31. Photoreceptors, or light sensitive eye spots that help some turbullarians orient towards the light are called: Ocelli b. Flame cells c. tegument d. Nephridiopore 32. Members of the Class Trematoda are mostly while members of the Class Monogenea are mostly a. ectoparasites, ectoparasites b. ectoparasites, endoparasites . endoparasites, ectoparasites d. endoparasites, endoparasites e. free living, endoparasites 33. In the phylum Cnidaria, the polyp stage is generally and a. asexual and free swimming asexual and sessile 0. sexual and free swimming d. sexual and sessile 34. Bilateral symmetry was first observed in which group? amfntiferra $7“:§’Gflldfiffa ' fie; Platyhelminthes" d. Rotifera 35. Which class of Cnidaria has only a medusa stage? a. Hydrozoa Scyphozoa c. Anthozoa d. bandc 36. Tapeworms are Within this class of Platyhelminthes. a. Monogenea b. Turbellarea - c Cestoidea . Nemertea 37. In the ciliated protozoans, the micronucleus is responsible for a, General cell operations Movement 0. Reproductive function d. All of the above 38. Gemmules are that are produced by a. ‘7 Overwintering capsules, Porifera b. Overwintering capsules, Platyhelminthes c. Buds, Porifera ' d. 'Specialized-amoeboid cells, Rotifers e. Specialized choanocyte cells, Porifera 39. Diploblastic animals possess which of the following tissue layer(s). ectoderm endoderm ~- mesoderm v- all»ch the above “a en's {e if a and b 3,3“ 40. Which of the following is arranged from the mostspecifin to the least specific? 21. species, genus, family, class, order, phylum, kingdom ' b. kingdom, phylum, class, family, order, genus, species c. kingdom, phylum, class, order, family, genus, species . kingdom, phylum, class, order, genus, family, species @3 species, genus, family, order, class, phylum, kingdom C (:2: Q ...
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Exam 2 Spring 2011 - Name: l Lab Section: Animal Biology:...

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