212LabExAnnelida

212LabExAnnelida - 4. In the space below, sketch the...

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BIOL 212 Lab Exercise: Annelida Name_______________________________________ 1. Both annelids and arthropods have segmented bodies. Is this an example of homology or homoplasy? Explain your answer. 2. Why do earthworms have both circular and longitudinal muscles? 3. How are the functions of the seminal receptacle and seminal vesicle different?
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Unformatted text preview: 4. In the space below, sketch the cross-sectional anatomy of the earthworm from a segment containing reproductive structures . Use the microscope slides provided. Label epidermis, coelom, esophagus, typhlosole, dorsal & ventral blood vessels, nerve cord, and any reproductive structures visible on the slide....
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This note was uploaded on 03/14/2010 for the course BIOL zool 212 taught by Professor Wennstrom during the Spring '10 term at Shoreline.

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