28_Ward_Bilateria+Outline

28_Ward_Bilateria+Outline - BIS2C W2011 Bilateria Cnidarian...

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BIS2C W2011 Lecture 28 (25 February 2011) 1 Bilateria Cnidarian postscript Mutualism between (1) sea anemone, and (2) anemone fish (clownfish) How knowledge of this symbiosis led to development of a sunscreen cream that provides protection against jellyfish stings. Web sites http://www.godivaskincare.com/store/pages.php?pageid=13 http://www.nidaria.com / More information on clownfish: http://news.nationalgeographic.com/news/2003/06/0605_030605_findingnemofish.html http://en.wikipedia.org/wiki/Anemonefish Bilateria Animals with… triploblastic construction bilateral symmetry anterior/posterior axis cephalization Fate of the blastopore : differs between Protostomes (mouth arising from blastopore) and Deuterostomes (anus arising from blastopore). Mesoderm and coelom formation Mesoderm : arises between ectoderm and endoderm Coelom : fluid-filled body cavity surrounded by mesoderm Protostomes mesoderm forms near lip of blastopore coelom (if present) formed by splitting of mesoderm
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This note was uploaded on 03/09/2011 for the course BIS 2 taught by Professor Coolprof during the Spring '11 term at Bank Street College of Education.

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28_Ward_Bilateria+Outline - BIS2C W2011 Bilateria Cnidarian...

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