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Name: ____________________________ Pretest: _____/82 Posttest: _____/82 Ch 34 & 35 Pretest: Worm Phyla Match the term on the right with its meaning on the left. 1. _____ the head of a tapeworm, contains hooks and suckers for attaching to host 2. _____ bristles that helps earthworms move 3. _____ food goes out the way it came in, mouth leads to a gut 4. _____ example of a flatworm 5. _____ throat on worms, leads from mouth to gut 6. _____ “hearts” that move fluids through segmented worms 7. _____ external structure that holds earthworms together during sexual reproduction 8. _____ repeated structure on tapeworms that contains reproductive organs 9. _____ example of a roundworm A. aortic arches B. clitellum C. complete digestive system D. crop E. cyst F. elephantiasis G. eye spot H. flame cell I. fluke J. ganglion K. gizzard L. hookworm M. incomplete digestive system N. leech O. nephridia P. pharynx Q. proglottid R. scolex S. setae T. tegument 10. _____ hard “ball” that worms may curl up in, found in animal tissues (e.g. muscle) 11. _____ muscular digestive organ in earthworms that grinds up food 12. _____ nerve cells that work together to control function; a primitive brain 13. _____ food goes in one end and out the other, mouth leads to gut leads to anus 14. _____ excretory organs, primitive kidneys 15. _____ structures that help remove water from flatworm cells 16. _____ example of a segmented worm 17. _____ storage area for food before entering the digestive system 18. _____ light sensitive area on Planaria spp 19. _____ swelling due to worm infections 20. _____ outer layer that protects some worms from host’s immune system Here are some pictures of some simple animals. Use the word bank to label them. Letters may be used once, more than once or not at all 21. _____ 25. _____ (whole structure) 22. _____ 26. _____ (whole structure) 23. _____ 24. _____ Phylum to which above organism belongs 27. _____ Phylum to which above organism belongs 28. _____ 29. _____ 30. _____ 34. _____ 33. _____ 32. _____ 31. _____ 35. _____ Phylum to which above organism belongs A. annelid D. crop G. gizzard J. pharynx M. scolex B. aortic arches E. eye spot H. nematode K. platyhleminthes 36. What advantages does segmentation provide? C. clitellum F. ganglia I. nephridia L. proglottid Place a F by the statements that apply to Flat worms Place a R by the ones that apply to Round worms Place a S by the ones that apply to Segmented worms You can put more than 1 letter by each statement, or leave it blank if it doesn’t apply to any. 37. __________ Tricinellla spp, Ascaris spp 38. __________ invertebrate 39. __________ flame cells 40. __________ leeches 41. __________ setae 42. __________ earthworm 43. __________ flukes 44. __________ bilateral symmetry 45. __________ closed circulatory system 46. __________ nephridia 47. __________ Platyhelminthes 48. __________ Planaria spp 49. __________ incomplete digestive system 50. __________ breathe through skin 51. __________ hermaphroditic 52. __________ cephalization 53. __________ cerebral ganglia 54. __________ scolex/proglottid 55. __________ parasites 56. __________ exoskeleton 57. __________ tapeworm 58. __________ eggs & sperm 59. __________ complete digestive system 60. _________ Hookworms, Pinworms 61.__________ elephantiasis One big difference between flatworms and roundworms/segmented worms is the development of their body systems. Briefly describe the following systems: System Flatworms Roundworms Segmented worms Nervous Digestive Circulatory Reproductive Excretory 77. – 82. Name any two parasitic worm infections. Describe the organism, symptoms and body part where the worm is. Add question about 3 body cavities and 3 worms Answer Key__ Name: __ Pretest: _____/82 Posttest: _____/82 Ch 34 & 35 Pretest: Worm Phyla Match the term on the right with its meaning on the left. R__ the head of a tapeworm, contains hooks 1. __ and suckers for attaching to host S__ bristles that helps earthworms move 2. __ M__ food goes out the way it came in, mouth 3. __ leads to a gut I 4. __ __ example of a flatworm P__ throat on worms, leads from mouth to gut 5. __ A__ “hearts” that move fluids through 6. __ segmented worms B__ external structure that holds earthworms 7. __ together during sexual reproduction Q__ repeated structure on tapeworms that 8. __ contains reproductive organs L__ example of a roundworm 9. __ E__ hard “ball” that worms may curl up in, 10. __ found in animal tissues (e.g. muscle) A. aortic arches B. clitellum C. complete digestive system D. crop E. cyst F. elephantiasis G. eye spot H. flame cell I. fluke J. ganglion K. gizzard L. hookworm M. incomplete digestive system N. leech O. nephridia P. pharynx Q. proglottid R. scolex S. setae T. tegument K__ muscular digestive organ in earthworms 11. __ that grinds up food J__ nerve cells that work together to control function; a primitive brain 12. __ C__ food goes in one end and out the other, 13. __ mouth leads to gut leads to anus O__ excretory organs, primitive kidneys 14. __ H__ structures that help remove water from flatworm cells 15. __ N__ example of a segmented worm 16. __ D__ storage area for food before entering the digestive system 17. __ G__ light sensitive area on Planaria spp 18. __ F__ swelling due to worm infections 19. __ T__ outer layer that protects some worms from host’s immune system 20. __ Here are some pictures of some simple animals. Use the word bank to label them. Letters may be used once, more than once or not at all M__ (whole structure) J__ 25. __ 21. __ E__ 22. __ L__ (whole F__ 26. __ 23. __ structure) K__ Phylum to which above K__ Phylum to which above 24. __ 27. __ organism belongs organism belongs B__ 29. __J_ 30. __F__ 28. __ C__ 34. _ I 33. __ __ G__ 32. __ D__ 31. __ A__ Phylum to which above organism belongs 35. __ A. annelid D. crop G. gizzard J. pharynx M. scolex B. aortic arches E. eye spot H. nematode K. platyhleminthes C. clitellum F. ganglia I. nephridia L. proglottid 36. What advantages does segmentation provide? Better movement…segments can move independently, rather than whole animal having to move at once Repeat of vital organs, e.g. several hearts, nephridia, reproductive organs, so if some are injured, organism does not die Place a F by the statements that apply to Flat worms Place a R by the ones that apply to Round worms Place a S by the ones that apply to Segmented worms You can put more than 1 letter by each statement, or leave it blank if it doesn’t apply to any. R_____ Tricinellla spp, Ascaris spp 38. __ F_____ flame cells 40. ____ 37. ____ 39. ____ S____ setae 41. _____ F_____ flukes 43. ____ F,R,S__ closed circulatory system 45. __ R,F,S__ invertebrate S_____ leeches S____ earthworm 42. _____ F,R,S_ bilateral symmetry 44. __ S____ nephridia 46. ____ F_____ Platyhelminthes 48. ____ F_____ incomplete digestive system 50. _ 47. ____ 49. ____ F____ Planaria spp F,R,S breathe through skin F,R,S__ hermaphroditic 52. _ F,R,S__ cerebral ganglia 54. ____ 51. __ 53. __ F,R,S_ cephalization F_____ scolex/proglottid F,R,S_ parasites 55. _ F_____ tapeworm 57. ____ R,S___ complete digestive system 59. ___ 61._____ 56. __________ exoskeleton F,R,S__ eggs & sperm 58. __ 60. ____ R__ Hookworms, Pinworms R____ elephantiasis One big difference between flatworms and roundworms/segmented worms is the development of their body systems. Briefly describe the following systems: System Flatworms Roundworms Segmented worms Nervous ganglia, nerves ganglia, ganglia, nerves Digestive incomplete Circulatory with digestive Reproductive Excretory nerves complete separate, closed Hermaphroditic, Sep. sexes, internal fert. internal fert. through nephridia, skin/gut anus complete separate, closed Hermaphroditic, internal fert. nephridia, anus 77. – 82. Name any two parasitic worm infections. Describe the organism, symptoms and body part where the worm is. Flukes…flatworms, live in blood, intestines, liver, lungs … block blood vessels (e.g. schistosomiasis) Tapeworm…flatworm, intestines, absorbs food Ascaris…roundworm…intestines, lungs throat…block air passages Hookworms…roundworm…intestines…feed on blood Trichinella...roundworm, muscle…muscle pain, stiffness Pinworm…roundworm…lower intestine…no real harm Filarial…roundworm…lymph system…elephantiasis (heartworms) Leeches…segmented worms…ectoparasite…sucks blood