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Unit #5 Exam Review Quiz

Unit #5 Exam Review Quiz. Grade:. «grade». «subject». Subject:. «date». Date:. 1. You reach into a tank and poke a brittle star fish. It responds by quickly moving under a nearby rock and curling into a ball. Which receptor provides the

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Unit #5 Exam Review Quiz

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  1. Unit #5 Exam Review Quiz Grade: «grade» «subject» Subject: «date» Date:

  2. 1 You reach into a tank and poke a brittle star fish. It responds by quickly moving under a nearby rock and curling into a ball. Which receptor provides the information allowing the brittle star to know that it is under a rock: A Photoreceptor B Thigmoreceptor C Chemoreceptor D Statocyst

  3. 2 Approximately what percentage of all known animal species are considered Arthropods. A 98% B 85% C 55% D 15%

  4. 3 All of the following are true about torsion & the shell of a modern snail EXCEPT: A a negative side effect is fouling B the organism can acheive better weight distrabution C the organism becomes asymmetrical D the shell became more straightened with reduced whorls

  5. 4 Which of the following would be most important for the survival of a snail if it were to be attacked by a crab: A columolla B spire C aperture D operculum

  6. 5 All of the following can be found on the anterior portion of a gastropod, EXCEPT: A spire B operculum C body whorl D aperture

  7. 6 The visceral mass contains: A The radula and the foot B The nervous tissue responsible for cephalization C The cells that secrete the shell D The internal organs

  8. 7 Which of the following would be used by crustaceans to detect nearby water movement and movement within the sand? A Swimmerets B Tactile hairs C Mandibles D Walking Legs

  9. 8 All of the following are true when considering bivalves EXCEPT: A Bivalves lack cephalization B Adductor muscles are responsible for keeping bivalves tightly shut C Bivalves use a modified radula to gather food quickly during the few instances that the shell is open D Each individual bivalve is definitively male or female & must undergo sexual reproduction

  10. 9 The following organism has which type of symmetry: A radial B asymmetry C bilateral D hexamerism

  11. 10 Which of the following represents the body whorl: A B C D

  12. 11 You reach into a tank and poke a brittle star fish. It responds by quickly moving under a nearby rock and curling into a ball. The brittle star responded to your touch because of which of the following receptors: A Photoreceptor B Chemoreceptor C Statocyst D Thigmoreceptor

  13. 12 The name for the circulatory organ that pumps fluid throughout a crustacean is know as a(an): A hemo heart pump B blood lymph pump C hemolymph pump D heart

  14. 13 The terminal end of the excretory system found within most crustaceans and gastropods is located on the: A Ventral portion B Posterior portion C Dorsal postion D Anterior portion

  15. 14 What chemical makes up the endoskeleton of echinoderms? A Chitin B Spicules C Spongin D Calcium carbonate

  16. 15 Sea stars have ocelli: A located at the very center of the organism on the dorsal side B located at the terminal end of each arm C located at the very center of the organism on the ventral side D located at the temrinal end of the largest & most dominant arm

  17. 16 The root terms for gastro-pod mean: A joint foot B head foot C stomach foot D two shell

  18. 17 The gills of a mollusk serve what two purposes: A respiration & defense B filter feeding & respiration C defense & movement D filter feeding & sensory

  19. 18 The animal in the following pictures represents ___________. A asymmetry B radial symmetry C bilateral symmetry D hexamerism

  20. 19 Cephalopod translates to: A joint foot B stomach foot C two shell D head foot

  21. 20 The water vascular system found within echinoderms is an evolutionary precursor to which of the following systems: A Endocrine system found within humans B Excretory system found within humans C Cardiovascular system found in humans D Respiratory system found within humans

  22. 21 All of the following have an endoskeleton EXCEPT: A Sea star B Sea cucumber C Porifera D Brittle star

  23. 22 Echinoderms can reproduce in all of the following ways EXCEPT: A Hermaphroditic reproduction B Asexual reproduction C Sexual reproduction D Regeneration

  24. 23 Sea stars will flex their arms in opposing directions during the process of righting themselves if they get flipped upside down. This ability to sense being upside-down suggests they have: A Chemoreceptors B Statocysts C Photoreceptors D Thigmoreceptors

  25. 24 Which of the following is used to walk across the benthic zone in search of food: A B C D

  26. 25 Why do sea urchins have the longest tube feet of all echinoderms? A They need long tube feet to reach beyond or between their protective spines B The need the long tube feet to reach food from their most anterior end to their most posterior end to feed C They use these long tube feet to help open and close their shell-crushing teeth D They use these long tube feet to open the shells of the strongest bivalves

  27. 26 Crustaceans have which type of skeleton: A endoskeleton B exoskeleton C hydrostatic skeleton D axial skeleton

  28. 27 You reach your arm into a tank containing a sea urchin & move your hand close to the animal. While your hand is several inches away from the urchin, it begins to wave its spines erratically. The urchin detected the your presence via: A Chemreceptor B Thigmoreceptor C Statocyst D Photoreceptor

  29. 28 Sea stars lack teeth, but are active carnivores. How do they accomplish this? A Sea stars use their tube feet to open their prey & then eject their stomach to dissolve their prey. B Sea stars use their spines to poison prey prior to eating it C Sea stars use their water vascular system to asphyxiate their prey D Sea stars use their gills to filter food from the water.

  30. 29 A bivalve uses ________ to consume/capture food. A a beak B a poisonous harpoon (modified radula) C a radula D heavily ciliated gills

  31. 30 The following image represents which type of symmetry: A radial B asymmetry C bilateral D hexamerism

  32. 31 The operculum plays an important role for gastropods in that: A The operculum is responsible for the majority of gas exchange within gastropods B The operculum seals the shell of a gastropod shut when it retreats into its shell C The operculum helps guide the formation of the columella, but if it is damaged the shell will begin to make smaller and smaller whorls D The operculum helps raise the eyes above the shell so that the gastropod can see almost 360 degrees

  33. 32 In the following picture, which represents the anterior protion of the organism: B C D A

  34. 33 Brittle stars and sea stars differ in their modes of movement in that: A Brittle stars use hydraulics within their tube feet to suction onto a surface and hold there for a long period of time, while sea stars drag themselves across a surface with tube feet that resemble spines B Sea stars use hydraulics within their tube feet to suction onto a surface and hold there for along period of time, while brittle stars drag themselves across a surface with tube feet that resemble spines C Brittle stars use their tube feet to slide across a surface similar to the motion of a hover craft D Sea stars can push water out of their mouth to lift themselves off of a surface and push themselves onto another, whereas s brittle star must climb up the same object

  35. 34 Crustaceans can be found in which of the following phyla: A mollusk B echinoderm C arthropod D cnidarian

  36. 35 Arthropods are most vulnerable when A eating B digesting C molting D carrying eggs

  37. 36 All of the following can be found within the arm of a starfish EXCEPT: A the ambulacral groove B the ring canal C the radial canal D the tube feet

  38. 37 One advantage of a complete digestive system over an incomplete digestive system is that an organism with a complete system: A Must pause to eject waste through its mouth prior to eating a food source larger than its’ GVC B Can continue to consume food without having to eject that food through the same orifice that it is consuming food C Must input food through multiple orifices while ejecting waste out of similar orifices D An organism can simply diffuse nutrients through the thin tissues surrounding the organism

  39. 38 If the tissue making up the radula of a gastropod was lost, which of the following would most likely occur. A Food consumption would decrease B The gastropod would move much more slowly due to a loss of muscular tissue C The shell would become weaker due to a lack of calcium D The vision of the gastropod would decrease due to a reduction of vitamin K

  40. 39 Tube feet found within an echinoderm are responsible for all of the following EXCEPT: A Absorbing dissolved oxygen B Locomotion C Digestion D Feeding

  41. 40 Which of the following is a cephalopod that has an external shell: A Snail B Nautilus C Squid D Octopus

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