BIOL 212 Lab Exercise Chordata

BIOL 212 Lab Exercise Chordata - structures in the...

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BIOL 212 Lab Exercise: Chordata 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. Animal groups Morphological changes Actinopterygii, Amphibia, Aves, Cephalochordata, Chondrichthyes, Mammalia, Reptilia, Urochordata, amniotic egg, feathers, hair, jaws, limbs 2. What is the difference between gill bars and gill slits? Why is “gill slits” an inappropriate name for these
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Unformatted text preview: structures in the lancelet? 3. Lancelets and lampreys use the structures associated with their pharyngeal slits for different purposes. How are they used in lampreys, and what structural features can you point to that are related to this function? 4. In the table below, list the six major vertebrate classes we will be covering in lab, along with their common names. Class Common name...
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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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