Choanoflagellata

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http//www.pbs.org/kcet/shapeoflife/episodes/origi
ns_explo1.html
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A refuge
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Commercial Sponge is a sponge
loofa is not a sponge. Its a plant (a dried out
gourd in fact).
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http//www.jcu.edu.au/interest/stingers/video
Magnified 400X
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Physalia
Nasty, nasty stings Use vinegar, not freshwater!
http//www.pbs.org/kcet/shapeoflife/episodes/move_
explo1.html
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Vellela
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Ctenophora
Class Tentaculata Class Nuda Only genus Boroe