Zoology 365	Biology of Mammals
Spring Semester, 2006	Terri McElhinny- Michigan State University
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Lab 1 Review: Postcranial Skeleton

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Some helpful links for this week's lab are:

Animal Diversity Web: legs, feet, and cursorial locomotion

1. Identify the bones in the postcranial skeleton in the cat (Felis) using the picture below.

2. What is your stance?

3. What is the stance of a zebra?

4. Which vertebral region is associated with the ribs?

5. Give an example of a mammal that exhibits each of the following stances:

A. Plantigrade

B. Digitigrade

C. Unguligrade

6. Give an example of a mammal that exhibits each of the following mode of locomotion:

A. Ambulatory

B. Cursorial

C. Ricochetal

D. Jumping

E. Brachiation

F. Scansorial

G. Swimming

H. Flying

7. The term "graviportal" refers to the column-like construction of the elephant's limbs, not its stance.
What is the stance of the elephant?

8. What can the foot anatomy of a mammal tell you about its mode of locomotion?

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