Exam 3 - Zoology 1604 Exam 3 — white form 9 November 2011...

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Unformatted text preview: Zoology 1604 Exam 3 — white form 9 November 2011 Before leaving the room you need to: WRITE WHITE FORM IN THE MARGIN ABOVE YOUR NAME ON YOUR SCANTRON. PLACE THE SCANTRON IN THE APPROPRIATE STACK FOR GRADING. WHITE EOE 1/15 GO ON THE FRONT PLATFORM. Having your name printed and the appropriate letters bubbled in — LAST NAME first, then FIRST NAME would really help me enter the grades faster. Thank you. 1. Which one of the following characteristics would help you distinguish crustaceans (Subphylum Crustacea) from other living arthropods? a) ventral nervous system b) biramous appendages c) chitinous exoskeleton d) molting for growth e) All arthropods have all of these characteristics so none ofthe above would help distinguish crustaceans from other living arthropods. 2. Which one ofthe following is the CORRECT term for the situation in which the female retains her fertilized eggs internally but she does not provide any additional nutrition to the developing embryos? a) Oviparous b) Viviparous c) Ovoviviparous d) Direct development e) Larval development 3. Compared to the invertebrate chordates (Phylum Urochordata and Phylum Cephalochordata) — the early vertebrates were larger and much more active. Which one or more ofthe following are modifications (or upgrades) associated with a larger and more active animal. a) a living endoskeleton b) vascularized gills c) tripartite brain d) All ofthe above are modifications associated with a larger and more active animal. e) Only (a) and (b) are modifications associated with a larger and more active animal. 4. Some insects undergo r metamorphosis in which the young — or nymphs — go through a series of early instars in which the wings develop externally as budlike outgrowths and the insect increases in size as it goes through each molt and gradually takes on the complete adult form. a) ametabolous b) hemimetabolous c) holometabolous 5. An insect’s compound eyes probably form images, but more importantly, they are adapted for detecting a) carbon dioxide b) motion c) color d) light e) heat 6. Where does water and ion reabsorption take place in spiders and members ofthe Class Insecta? a) Malpighian tubules b) Coxal glands c) Green gland d) Trachea e) Repugnatorial glands 7. l have two tagma — cephalothorax and abdomen. After I molt is a good time to fry me up and put me in a sandwich. My first pair of walking appendages is modified for defense and capturing prey — these structures are called . I have a total of 5 pairs of walking appendages and belong to the Phylum Arthropoda, Class and Order a) chelicerae; Arachnida; Decapoda b) maxillae; Malacostraca; Hexapoda c) chelipeds; Malacostraca; Decapoda d) pedipalps; Arachnida; Octopoda e) chelipeds; Merostomata; Decapoda 8. Which one or more of the following is NOT CORRECT concerning molting (ecdysis) in arthropods (Phylum Arthropoda). a) Molting allows the animal to grow. b] Molting usually occurs in a secretive or hidden place because the new exoskeleton is soft. c) To loosen the old exoskeleton from their body, arthropods pull in air or water from their environment. d) All species ofarthropods split the old exoskeleton in the exact same place (between the cephalothorax and abdomen) every time they molt. e) Both (c) and (d) are not correct. 9. The respiratory structures of aquatic members ofthe Subphylum Crustacea — such as the crayfish- consist of a) a set ofbook lungs inside the carapace b) a set of gills in the branchial chamber c) a set of gills along the underside ofthe telson and uropod so that movement of the telson provides oxygenated water for the gills d) branching tracheal tubes that run throughout the body e) spiracles on the outside body wall that allow air to travel to inner tissues 10. I am a predator. I subdue my prey by knocking them out with my powerful club—like, cheliped. My blows carry the force of a 22 bullet. I am brightly colored and have large compound eyes located on stalks. I will defend my house from other members of my species and even an octopus. a) arrow crab b) lobster c) giant isopod d) mantis shrimp 11. Millipedes belong to which one or more of the following taxa? a) Phylum Arthropoda b) Subphylum Myriapoda c) Class Chilopoda d) Class Diplopoda e) Millipedes belong to (a), (b), and (d). 12. Which one of the following is an incorrect statement concerning arthropods. a] Members of the Class Arachnida use silk for capturing and storing prey and protecting eggs. b) Mandibles help smash, grind, and slice food in many members of the Subphylum Hexapoda. c) Sensilla are modifications of the arthropod exoskeleton that involve an association of nerve cells with some form of sensory receptor. " d) Members of the Subphylum Hexapoda have 2 tagma —- the cephalothorax and abdomen. e) Members of the Class Diplopoda have a modified first segment called the collum that helps them burrow through leaf litter. 13. The in members ofthe Subphylum Cephalochordata function(s) in a) notochord; reproduction b) cirri(oral tentacles); feeding c) stolans; feeding d) tunicate; gas exchange 14. Upon emergence from the cocoon, the monarch butterfly is helpless and weak. It must wait until its wings are ready for flight. Which one ofthe following is correct concerning the wings ofthe newly emerged butterfly? The wings _. a) darken as the butterfly flaps them frantically to get air across the surface so they can dry and harden b) need just a few minutes to dry and harden in the sun c) inflate with air as the butterfly hangs upside down d) must be inflated with hemolymph from the abdomen and then they complete the hardening process. 15. In the table below — which one or more of the row[s) present incorrect information as far as taxonomy is concerned. Order 1) Spider Not applicable 2) Beachhopper Amphipoda 3) Crayfish Decapoda 4) Horseshoe crab _ 5) Grasshopper Netepplreeble a) Both rows (1) and (2) are incorrect. b) Both rows (2) and (3) are incorrect. c) Only row (2) is incorrect. d) Only row (1] is incorrect. e) Both rows (2) and (4) are incorrect. 16. Which one ofthe following is NOT a factor that has contributed to the success (abundance and diversity) ofthe members of the Phylum Arthropoda? a) Versatile exoskeleton b) Segmentation and jointed appendages C) Air piped directly to cells in terrestrial forms d) Complex behavior patterns e) Bilateral symmetry 17. Which one or more of the following DOES NOT play a role in locomotion in members of the Class Ophiuroidea? wa) muscles associated with suction cups on the tube feet r-b] tube feet . c) ampullae “idliwater vascular system 6) None ofthe above plays a role in locomotion in the Class Ophiuroidea. 18. Which one or more of the following are mechanisms for respiration in members ofthe Phylum Arthropoda? a) book lungs b) tracheal system c) gills d) book gills e) All ofthe above are mechanisms for respiration in the Phylum Arthropoda. 19. Members ofthe Subphylum Hexapoda that feed primarily on nectar (e.g., butterflies and moths) show several modifications oftheir feeding structures and digestive tract. Which one or more ofthe following are modifications in this group of hexapods? a) reduced or absent mandibles, labia and labrum b) maxillae modified to form a long sucking proboscis that coils when not in use c) anterior portion of digestive tract modified as a muscular pump for drawing in liquids through the mouthparts. d) All of the above. e) Only (a) and (c). 20. How do the tube feet of sea stars (Class Asteroid‘ea) and sea urchins (Class Echinoidea) function? a) Cilia transport hemolymph from radial canal to radial canal extending the feet. b) Longitudinal muscles contract to elongate the feet. c) Each tube foot is an independent larval stage and the sea star is a colonial mass. The tube feet coordinate their activity to move the colony along on the surface. d) Tube feet lengthen and shorten as muscles associated with the ampullae move the water in and out ofthe long portion of the foot. 21. Which one of the following statements is NOT correct. @Most members of the Phylum Echinodermata have bilateral symmetry as larvae but exhibit pentaradial symmetry as adults. b) Water enters the water vascular system in members of the Class Echinoidea through the madreporite that is located on the aboral surface. c) Aristotle’s lantern is the feeding structure found in sea urchins. d) Sand dollars (Class Echinoidea) have rows 0ftube feet on their aboral surface. The tube feet extend out of the pores ofthe petaloid. e) The madreporite is location on the oral surface ofthe members ofthe Cass Asteroidea. 22. Which one ofthe following is NOT a defining (hallmark) characteristic ofthe Phylum Chordata? a) dorsal hollow nerve cord b) notochord brain d) pharyngeal gill slits or pouches e) postanal tail 23. Pedicellariae are _. a) larval sea stars b) the mouth-like openings on the oral surface ofthe sea star c) structures linking the madreporite to the ring canal d) small pincer—like projections clustered on the skin of members ofthe Class Asteroidea. They serve to keep it clean of parasites and debris. e) soft and delicate projections ofthe coelomic cavity covered with epidermis. They help with gas exchange. 24. I live in marine and freshwater habitats. As a larva [ammocoetej I was a filter feeder but as an adult I prey on other fishes with my sucker-like mouth. I have numerous epidermal teeth that I use in conjunction with my tongue to rasp away scales on fish. My salivary glands contain an anticoagulant. Who am I? a) shark b) tunicate c) hagfish d) lamprey e] stingray 25. Which one ofthe following is MI a characteristic of members of the Phylum Hemichordata? a) They are characterized by 3 body regions — proboscis, collar and trunk. b) These organisms share characteristics with both the invertebrate chordates and members ofthe Phylum Echinodermata. c) They possess gill slits and a notochord throughout their life. d) Gas exchange occurs across the body wall. 26. What is the function ofthe endostyle in members of the Subphylum Urochordata? a) reproduction b) secretes enzymes and mucus for feeding c) locomotion d) waste removal 27. Which one or more ofthe following pertains to the Class Insecta. The Class Insecta a) has more species than any other animal group b] is of major economic importance to humans c) is responsible for pollinating 65% of all plant species — including billions of dollars worth of crop plants. d) is ofmajor medical importance to humans because some species carry diseases e] All of the choices are correct. 28. Which one ofthe following is NOT correct? a) Members ofthe Class Holothuroidea have a unique defense mechanism that consists of everting their Cuvierian tubules through their anus to discourage predators. b) Bursal slits are found in members ofthe Class Ophiuroidea. c) Members ofthe Class Crinoidea have no spines. d) Members ofthe Class Asteroidea use only their tube feet for respiration. e) Members ofthe Class Ophiuroidea have no suction disks on their tube feet. 29. Which of the following presents the most likely hypothesis for the purpose ofgill slits in primitive chordates [invertebrate chordates)? a) housing gills for gas exchange b) filter feeding c) propelling the animal in water Cl) orienting the animal in the water e) excreting waste 30. Which one of the following is not involved in feeding and digestion in tunicates (Subphylum Urochordata). a) incurrent and excurrent siphons b) endostyle c] stomach d) pharyngeal slits e) stolon 31. In members ofthe Class Arachnida, the are modified as fangs to inject-venom. a) chelipeds b) maxillae c) mandible d) pedipalps e] chelicerae 32. Hagfish and lampreys are characterized by having which one or more ofthe following? a) eel—like body with naked skin b] jaws present c) fibrous and cartilaginous skeleton d) All ofthe above characterize hagfish and lampreys. e) Only (a) and (c) characterize hagfish and lampreys. 33. There are two developments that are thought to have had the most significant impact on the success of vertebrates. One was expansion/enlargement ofthe brain and sensory systems. The other major advancement ofvertebrates was the development of a) a notochord b) pharyngeal gill slits c) jaws d) bilateral symmetry 34. The most likely explanation for the origin of jaws in vertebrates is that they arose from . a) modification ofthe neural arches surrounding the notochord b) transformation ofthe endostyle c) paired pectoral fins d) modification ofthe first or second pair ofgill arches 35. How many of the following are defining/distinguishing characteristics ofhagfish? -—retain the notochord into adulthood .4 -—slime glands e ——no paired appendages ——mouth with 4 pairs of tentacles -—gill slits used for feeding a)1 b)2 c)3 d)4 e)5 36. Which one of the following presents an incorrect pairing? a) sea stars / Class Asteroidea b) sea cucumbers/ Class Holothuroridea c) sand dollars / Class Asteroidea d) sea urchins / Class Echinoidea e) brittle stars/ Class Ophiuroidea 37. Members of the Subphylum Urochordata and Subphylum Cephalochordata differ in that a) they belong to different phyla b) for members ofthe Subphylum Urochordata the notochord does not extend into the head region as it does in members of the Subphylum Cephalochordata c) members of the Subphylum Urochordata are aquatic and members of the Subphylum Cephalochordata are terrestrial d) all of the hallmark characteristics of the Phylum Chordata persist into the adult stage only in members of the Subphylum Urochordata. 38. For arthropods, which one or more of the following are considered advantages associated with having a chitinous exoskeleton in comparison to a simple tegument as seen in cestodes a) resistance to desiccation b) protection against predators c) more secure attachment of muscles d) All of the above are advantages associated with having a chitinous exoskeleton. e) Only (b) and [c] are advantages associated with having a chitinous exoskeleton. 39. Which one or more of the following DOES NOT play a role in locomotion in members of the Class Asteroidea? a) muscles associated with suction cups on the tube feet b) tube feet c) ampullae d) spines e) Neither (b) nor (d) play a role in locomotion in members ofthe Class Asteroidea. 40. Ticks, members of the Class _, perform when searching for a host to feed on. a) Crinoidea; antennae waving b) Decapoda; cheliped waving c) Insecta; questing d] Arachnida; questing e) Chelicerata; cheliped waving 41. Which one of the following is an incorrect statement concerning members ofthe Phylum Echinodermata? a) In members of the Class Holothuroidea the madreporite is located internally. b) In members of the Class Crinoidea, spines, madreporite and pedicellariae are absent. c) In members ofthe Class Echinoidea there is a rigid test and a specialized feeding structure called Aristotle's lantern. d) In members of the Class Ophiuroidea, dermal branchiae are used for gas exchange. e) In members ofthe Class Asteroidea, pedicellariae are located on the aboral surface. 42. Which one of the following presents an incorrect statement? a) In general most members of the Class Asteroidea are predators. “b) The oral tentacles ofthe sea cucumber are modified tube feet. c) The ossicles of members of the Class Holothuroidea are microscopic. ad) Pedicellariae are found in all members of the Phylum Echinodermata. e) Members of the classes Asteroidea and Ophiuroidea are easily distinguishable by looking at how the rays join the radial/central disk. 43. I am a predator with chelicerae and pedipalps for food handling. 1 consume my prey by liquefying it with digestive enzymes and then sucking up the digested material. I have 2 tagma — a cephalothorax/pl‘osoma and an abdomen/opisthosoma. There is a violin/fiddle- shaped mark on my cephalothoraX/prosoma. I belong to which one or more of the following taxa? ”“ a) Phylum Arthropoda flb) Class Arachnida c] Class Insecta d) I belong to all of the above taxa. Me) I belong to only (a) and (b). 44. The word root gnathos means a) mouth b) jaw c) fin d) ray e) tail 45. The word root gymnos means a) shelled b) naked c) evident d] without e) of a snake 46. The word root arthro means a) foot laj‘many ej‘few d) joint ej’soft 47. The word root aura means a) jaw b) ray c) tail d) fin e) snake 48. The word root malakos means a) foot b) soft c) jointed d) equal e) shell 49. The word root ophi means a) jaw b) ray c] tail d] fin e) snake 50. The blood ofhorseshoe crabs is harvested and processed by the biomedical industry because . a) the blood contains hemocyanin [a blue pigment) which can be used to dye denim fabric b) the immune system ofthe crab will cause the blood to clot in the presence of endotoxins released by E. coli and other gram—negative bacteria c) the hemocyanin in the blood can be used to treat humans with clotting deficiencies d) researchers hope to find a cure for cancer within the immune system of the crab. ‘Bonus: 51. The ammocoete larva of the lamprey resembles a) the larval stage of some echinoderms b) a polychaete c) an acorn worm d) amphioxus 52. My ossicles look like Sponge Bob Square Pants. a) sunflower sea star b) hagfish c) sand dollar (1) sea urchin e) sea cucumber ...
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Exam 3 - Zoology 1604 Exam 3 — white form 9 November 2011...

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