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Platyhelminthes By: Alex Thornton, Kris Dick, Alyssa Milligan

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Type of symmetry Bilateral Movement Controlled by a longitudinal, circular, and oblique layers of muscles Some by slime trails by the beating of epidermal cilia http://www.darwinsgalapagos.com/animals/blue_flatworm.jpghttp://www.ryanphotographic.com/images/JPEGS/Swimming%20flatwor m,%20Raja%20Ampat,%20West%20Papua%20IMG_2259.jpg

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Nervous System Longitudinal nerve cords that are interconnected across the body by transvers braches Two simple brains and eye spots to help sense light Cephalized nervous system Digestive system Two-way Food goes into a gut then back out after so much time has passed http://classconnection.s3.amazonaws.com/1613/flashcards/698929/jpg/lab-4b-51a.jpg

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Excretory system Flame cells Circulatory system Osmosis/ diffusion Respiratory system Osmosis/ diffusion Flame cell https://www.youtube.com/watch?v=Rb_3KIB4CmE

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Skeletal system None Reproductive system Sexually and asexually Hermaphrodites https://www.youtube.com/watch?v=9G2LkTBnGhQ

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Types of Platyhelminthes Turbellaria- Flat worms that live in tropical, moist hot environments

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Types of Platyhelminthes Trematoda- (Flukes) live in intense conditions

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Types of Platyhelminthes Cestoda- Parasitic Flat worms (Tape Worms)

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Cephalization Concentration of sense of organs, nervous control. At the anterior end of the body during evolution in the course of an embryos development

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Contraction of tape worm Animals Raw meat

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Platyhelminthes: Planarian Diagram

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Tapeworms

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Flukes

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Work Cited http://crescentok.com/staff/jaskew/isr/botzo/planschm.gif (planarian diagram) http://crescentok.com/staff/jaskew/isr/botzo/planschm.gif http://www.theepochtimes.com/n3/eet-content/uploads/2013/08/tapeworm_iowa-676x450.jpg (tapeworm1) http://www.theepochtimes.com/n3/eet-content/uploads/2013/08/tapeworm_iowa-676x450.jpg http://www.dogbreedinfo.com/images14/TapewormImg_1391.jpg (tapeworm2) http://www.dogbreedinfo.com/images14/TapewormImg_1391.jpg http://people.bethel.edu/~kisrob/VirtualBiology/Planaria/Chlonorchis_sinensis.jpg (fluke1) http://people.bethel.edu/~kisrob/VirtualBiology/Planaria/Chlonorchis_sinensis.jpg http://www.gc.maricopa.edu/biology/lsola/Bio182/labreview/platyhelminthes/Fluke.jpg (fluke2) http://www.gc.maricopa.edu/biology/lsola/Bio182/labreview/platyhelminthes/Fluke.jpg http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/Bio%20102/Bio%20102%20Laboratory/Animal%20Diversity/Lophot rochozoans/img041.jpg (fluke 3) http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/Bio%20102/Bio%20102%20Laboratory/Animal%20Diversity/Lophot rochozoans/img041.jpg http://classconnection.s3.amazonaws.com/670/flashcards/276670/jpg/planarian21338524926696.jpg http://www.savalli.us/BIO385/Diversity/05.PlatyhelminthesImages/LiverFlukeL.jpg http://media.eol.org/content/2013/12/16/00/06092_580_360.jpg http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&docid=W4l3krMO8A5uGM&tbnid=Z7H8_jW9rsYBNM:& ved=0CAYQjB0&url=http%3A%2F%2Fwww.pet-informed-veterinary-advice-online.com%2FTaenia.html&ei=7OAuVKL- CcHluQT0sYGQDw&psig=AFQjCNGuY6Q9YZ-D_PbMeFMxqyKG01bjzA&ust=1412444603882599 http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&docid=W4l3krMO8A5uGM&tbnid=Z7H8_jW9rsYBNM:& ved=0CAYQjB0&url=http%3A%2F%2Fwww.pet-informed-veterinary-advice-online.com%2FTaenia.html&ei=7OAuVKL- CcHluQT0sYGQDw&psig=AFQjCNGuY6Q9YZ-D_PbMeFMxqyKG01bjzA&ust=1412444603882599 http://www.advancedaquarist.com/2002/5/short_album/Chelidonura-feeding-from-Ca. http://www.advancedaquarist.com/2002/5/short_album/Chelidonura-feeding-from-Ca http://s1.ibtimes.com/sites/www.ibtimes.com/files/styles/v2_article_large/public/2013/08/20/flatworm.jpg?itok=4rGvhGoW