3. How do the shapes and relative sizes of homologous axial skeleton bones differ between the species examined?

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Chapter1: The Human Body: An Orientation
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**Table 4.1 Comparison of Vertebrate Skeletons**

| Animal | Locomotion or Function (walk, land, fly, etc) | Direction or Position (from body) | Name of Bone (or bone group) | Comparison to Humans |
|--------|----------------------------------------------|-----------------------------------|-----------------------------|----------------------|
| Cat    | land                                         |                                   | a. Femur                    | a. Femur             |
|        |                                              |                                   | b. Clavicle                 | b. Scapula           |
|        |                                              |                                   | c. Ulna                     | c. Ulna              |
|        |                                              |                                   | d. Fibula                   | d. Tarsals           |
|        |                                              |                                   | e. Tarsals                  | e. Lumbar Vertebrae  |
|        |                                              |                                   |                             | f. Meta-Tarsals      |
| Frog   |                                              |                                   | a. Carpus                   | a. Tarsals           |
|        |                                              |                                   | b. Scapula                  | b. Scapula           |
|        |                                              |                                   | c. Humerus                  | c. Humerus           |
|        |                                              |                                   | d. Radius                   | d. Radius            |
| Rat    | land                                         |                                   | a. Tarsals                  | a. Tarsals           |
|        |                                              |                                   | b. Scapula                  | b. Scapula           |
|        |                                              |                                   | c. Thoracic Cage            | c. Thoracic Cage     |
|        |                                              |                                   | d. Coxa                     | d. Vertebrae         |
|        |                                              |                                   |                             | e. Coxa              |
| Deer   |                                              |                                   | a. Femur                    | a. Femur             |
|        |                                              |                                   | b. Humerus                  | b. Humerus           |
|        |                                              |                                   | c. Scapula                  | c. Scapula           |
|        |                                              |                                   | d. Coccyx                   | d. Coccyx            |

### Comparative Vertebrate Skeletal Questions:

1. **Name the limb bones common to all species examined. Do skeletal similarities support the hypothesis that the three shared a common ancestor, or are the skeletons so different that you think shared ancestry is unlikely
Transcribed Image Text:**Table 4.1 Comparison of Vertebrate Skeletons** | Animal | Locomotion or Function (walk, land, fly, etc) | Direction or Position (from body) | Name of Bone (or bone group) | Comparison to Humans | |--------|----------------------------------------------|-----------------------------------|-----------------------------|----------------------| | Cat | land | | a. Femur | a. Femur | | | | | b. Clavicle | b. Scapula | | | | | c. Ulna | c. Ulna | | | | | d. Fibula | d. Tarsals | | | | | e. Tarsals | e. Lumbar Vertebrae | | | | | | f. Meta-Tarsals | | Frog | | | a. Carpus | a. Tarsals | | | | | b. Scapula | b. Scapula | | | | | c. Humerus | c. Humerus | | | | | d. Radius | d. Radius | | Rat | land | | a. Tarsals | a. Tarsals | | | | | b. Scapula | b. Scapula | | | | | c. Thoracic Cage | c. Thoracic Cage | | | | | d. Coxa | d. Vertebrae | | | | | | e. Coxa | | Deer | | | a. Femur | a. Femur | | | | | b. Humerus | b. Humerus | | | | | c. Scapula | c. Scapula | | | | | d. Coccyx | d. Coccyx | ### Comparative Vertebrate Skeletal Questions: 1. **Name the limb bones common to all species examined. Do skeletal similarities support the hypothesis that the three shared a common ancestor, or are the skeletons so different that you think shared ancestry is unlikely
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