Brooklyn College
City University of New York
Lab #6, Assignment #1Page 1

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LEG STRUCTURE: The first thing we need to do is to determine whether tetrapods (land dwelling vertebrates) are similar to one another in having the same basic leg structure, or whether there is wide variation among tetrapods in this feature. What is meant by leg structure here is the arrangement and number of bones in the leg. A typical structure is illustrated immediately below:

1. Do allosaurs and tyrannosaurs have the basic leg structure illustrated here? Consider your field trip results.