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Unformatted text preview: water, 6) the gills in land snails have changed over to a variation on a lung, 7) the snails that have gone from land to water do not have gills, but rise to the surface to entrap an air bubble, 8) Many gastropods are hermaphrodites, and 9) there was a 6 meter long (not counting tentacles) squid caught in the Atlantic Ocean in 1861. In this lab, I will be comparing the similarities and differences between a variety of mollusks and arthropods. I will dissect a clam and I expect to find the various organs and the abductor muscle. I expect to notice the adaptations of the squid compared to the other mollusks. I will also be able to notice the various systems within the invertebrates. Bibliography. “Phylum Mollusca.” October 15, 2007. <http://infusion.allconet.org/webquest/PhylumMollusca.html>...
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- Fall '07
- pH, Atlantic Ocean, 6 meter, Phylum Mollusca, Colin Van Es