NS 201 Vertebrate Phylogeny Lab 3

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Boston University *

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Course

201

Subject

Biology

Date

Dec 6, 2023

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pdf

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10

Uploaded by ConstableMaskChimpanzee11

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Data Collection Table 1: Anatomical Observations: 10 Bones, 7 Organisms **Selected Bones Organism Bones / Characters Description of Bones Possum 1. # of Phalanges of the hand front vs back - Front: 5 - Back: 5 2. The shape of the lower jaw or mandible - Rounded jaw - Long ish 3. Presence of ridge in shoulder form - Yes present 4. Pegs or poly - Poly 5. Is radius and ulna fused or disconnected - Connected 6. Flat vs. rounded cranium - Flat 7. Presence of Coracoid - Not present 8. # of ribs - 21 9. # of cervical vertebrates - 5 10. Shoulder Joint; ball and socket vs. sliding joint - Ball and Socket Organism Bones / Characters Description of Bones Platypus 11. # of Phalanges of the hand front vs back - 5 front - 6 back 12. The shape of the lower jaw or mandible Duck-billed 13. Presence of ridge in shoulder form no 14. Pegs or poly n/a
15. Is radius and ulna fused or disconnected Connected 16. Flat vs. rounded cranium flat 17. Presence of Coracoid yes 18. # of ribs 34 19. # of cervical vertebrates 7 20. Shoulder Joint; ball and socket vs. sliding joint Sliding Organism Bones / Characters Description of Bones Alligator 21. # of Phalanges of the hand front vs back - Front: 5 - Back: 4 22. The shape of the lower jaw or mandible - Round 23. Presence of ridge in shoulder form - Not present 24. Pegs or poly - Pegs 25. Are radius and ulna fused or disconnected - disconnected 26. Flat vs. rounded cranium - Flat 27. Presence of Coracoid - Present 28. # of ribs - 20 29. # of cervical vertebrates - 7 30. Shoulder Joint; ball and socket vs. sliding joint - sliding
Organism Bones / Characters Description of Bones Snake 31. # of Phalanges of the hand front vs back 0 32. The shape of the lower jaw or mandible Flat 33. Presence of ridge in shoulder form 0 34. Pegs or poly pegs 35. Are radius and ulna fused or disconnected No radius or ulna 36. Flat vs. rounded cranium flat 37. Presence of Coracoid no 38. # of ribs 200 on each side, 400 39. # of cervical vertebrates 6 40. Shoulder Joint; ball and socket vs. sliding joint No joints 9 Organism Bones / Characters Description of Bones Bat 41. # of Phalanges of the hand front vs back 5 toes and 5 fingers 42. The shape of the lower jaw or mandible Same size as the top jaw and interlocking 43. Presence of ridge in shoulder form Ridge present 44. Pegs or poly poly
45. Are radius and ulna fused or disconnected Fused 46. Flat vs. rounded cranium Rounded cranium 47. Presence of Coracoid Coracoid present 48. # of ribs 16 ribs 49. # of cervical vertebrates 5 cervical vertebrae 50. Shoulder Joint; ball and socket vs. sliding joint Ball and socket Organism Bones / Characters Description of Bones Cat 51. # of Phalanges of the hand front vs back Four on the front and back 52. The shape of the lower jaw or mandible Lower jaw same size as the top jaw with the bottom jaw having a piece of flat bone going upward into the head 53. Presence of ridge in shoulder form Shoulder ridge present 54. Pegs or poly poly 55. Are radius and ulna fused or disconnected disconnected 56. Flat vs. rounded cranium Rounded cranium 57. Presence of Coracoid Coracoid present 58. # of ribs 24 ribs 59. # of cervical vertebrates 7 cervical vertebrae 60. Shoulder Joint; ball and socket vs. sliding joint Ball and socket
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