212LabExPlatyhelminthes

- coelom protostome development 2 What does the word root “platy” mean What does the word root “helminthes” mean 3 What two significant

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BIOL 212 Lab Exercise: Platyhelminthes Name_______________________________________ 1. Write the appropriate group of animals from the table below next to the empty nodes on the phylogenetic tree. Write the appropriate morphological change from the table next to the bars on the phylogenetic tree. Hint: Need Animal groups Morphological changes Cnidaria, Platyhelminthes, Deuterostoma cuticle/exoskeleton, mesoderm, coelom, loss of
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Unformatted text preview: coelom, protostome development 2. What does the word root “platy” mean? What does the word root “helminthes” mean? 3. What two significant anatomical features are present in the Ecdysozoa but absent in Platyhelminthes? 4. Why are there no digestive structures on the list for class Cestoda? 5. In the space below, sketch the cross sectional anatomy of a planarian as it appears at low magnification. Label the drawings with any visible structures from the lists above....
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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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