CRITTER CHART TWOIDS Classification worksheet (page 1) CLASSIFICATION WORKSHEET Name ____________________________ Directions: Answer all the questions on a scantron and turn in the scantron. Save the actual worksheet for your notes as a study supplement. CRITTER CHART ONE CRITTER I CRITTER II CRITTER III CRITTER IV Phylum Echinodermata Class Asteroidea Order Forcipulata Forcipulata Family Heliasteridae Asteriidea Heliasteridae Genus Pisaster Orthasterias Pisaster Evasterias species ochraceus koehleri brevispinus trochelii Procedure: Using only the information in the chart above fill in as many boxes as you can. For items 1 - 5 use the Key below to answer the questions posed. Note that two letters precede some choices. If you select one of these, you must mark both letters. Key choices may be used once, more than once, or not at all. KEY: A. Critters I and II AB. Critters III and IV B. Critters I and III AC. Critter I and any other Critter. C. Critters I and IV AD. Critter II and any other Critter. D. Critters II and III AE. Critter III and any other Critter E. Critters II and IV BC: Critter IV and any other Critter. 1. According to the chart ABOVE which critters are most closely related? 2. According to the chart ABOVE which critters are most DISTALLY related? 3. According to the chart ABOVE which critters have the most structural characteristics in common? 4. According to the chart ABOVE which critters have the least structural characteristics in common? 5. According to the chart ABOVE which critters have the most genes in common?IDS Classification worksheet (page 2) CRITTER CHART TWO Lion Cat Dog Man Catbird Phylum Chordata Class Mammalia Mammalia Aves Order Carnivora Carnivora Primates Passiformes Family Felicidae Canidae Homaridae Minidae Genus Felis Felis Canus Homo Dumatella species leo silvestris familiaris sapiens carolinensis For items 6 - 9 use the Key below to answer the questions posed. Note that two letters precede some choices. If you select one of these, you must mark both letters. Key choices may be used once, more than once, or not at all. KEY: A. Phylum C. Order E. Genus B. Class D. Family AB. species 6. At which level of classification would you first describe differences between a lion and a cat? 7. The first level of classification that would differentiate a cat from a dog is? 8. What is the lowest classification level at which structural similarities between a cat and a catbird can be described? 9. A Lion and a dog are similar in some structures. What is the lowest level at which these similarities can be described? For questions 10 - 19 choose the lowest level of classification in the key below which would include both organisms mentioned. Note: the Kingdom level would be the highest level and the class level would be the lowest level in the key. Example: for "Frog and Salamander" the answer would be "C". Note the term Division is used for the term Phylum when you are dealing with the plant kingdom. Key choices may be used once, more than once, or not at all. KEY: A. Kingdom. C. Class. B. Phylum (Division) D. None of the above. 10. Starfish and Sea Urchin. 15. Sea Anemone and a sponge 11. Pine tree and maple tree. 16. Sand dollar and sea urchin 12. Dog and Earthworm. 17. Moss and Roses. 13. Sand dollar and Beetle. 18. Gymnosperms and Angiosperms.IDS Classification worksheet (page 3) 14. Pine Tree and Cat. 19. Fern and a liverwort. For the next items 20 - 29 decide which animal is least related (according to biological classification) to the other three. Mark the least related letter of your choice on your scantron. 20. A. Wombat B. Bear C. Kangaroo D. Koala. 21. A. Eagle B. Penguin C. Bat D. Vulture. 22. A. Wasp B. House fly C. Clothes moth D. Black widow spider. 23. A. Starfish B. Clam C. Sand dollar D. Sea cucumber. 24. A. Leech B. Planaria C. Clam worm D. Earthworm. 25. A. Moth B. Termite C. Grasshopper D. Millipede. 26. A. Bat B. Blue jay C. Honey bee. D. Flying fish. 27. A. Skate B. Hagfish C. Dogfish D. Manta ray 28. A. Snake B. Salamander C. Alligator D. Turtle. 29. A. Catfish B. Bass C. Trout D. Whale. For items 30 - 43 use the Key below to match the following organisms to their Phylum. Note that two letters precede some choices. If you select one of these, you must mark both letters. Key choices may be used once, more than once, or not at all. KEY: A. Porifera AB. Annelida B. Cnidaria AC. Arthropoda C. Platyhelminthes AD. Echinodermata D. Nematoda AE. Chordata E. Mollusca BC. None of the above. 30. Spider, Insect, and Crab. 38. Chiton. 31. Earthworm. 39. Sand dollar. 32. Starfish and Sea urchin. 40. Nudibranch (Sea slug) 33. Planaria. 41.Organisms that show radial symmetry and have a gastrovascular cavity. 34. Snail, Clam, and Octopus. 35. Leech. 42. Organisms that contain choanocytes (collar cells) and spicules 36. Organisms that contain a medusa stage.IDS Classification worksheet (page 4) 37. Tapeworm. 43. Organisms with a chitinous exoskeleton. For items 44 - 50 use the Key below to match the following organisms to the group to which they belong. Note that two letters precede some choices. If you select one of these, you must mark both letters. Key choices may be used once, more than once, or not at all. KEY: A. Agnatha AB. Aves B. Chondrichthyes AC. Monotreme C. Osteichthyes AD. Marsupial D. Amphibia AE. Eutherian E. Reptilia BC. None of the above. 44. A jawed fish with a cartilaginous skeleton. 48. Trout. 45. A jawless cartilaginous fish like a lamprey. 49. Great White Shark. 46. An echidna that lays a leathery egg. 50. Human. 47. Frog. For items 51 - 60 use the Key below to match the following organisms to their Phylum. Note that two letters precede some choices. If you select one of these, you must mark both letters. Key choices may be used once, more than once, or not at all. KEY: A. Hepatophyta E. Coniferophyta B. Bryophyta AC. Anthophyta