Chapter 14 - Major Groups Class Turbellaria Free-living...

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CHAPTER 14 ACOELOMATE BILATERAL ANIMALS
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Outline Phylum Platyhelminthes General characteristics Class Turbellaria Class Trematoda Class Monogenea Class Cestoda
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Acoelomate Bilateral Animals General characteristics No coelom Bilateral symmetry Cephalization Triploblastic Organs
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Phylum Platyhelminthes Tegument and Muscles Some have ciliated tegument Others nonciliated with cells under muscle layers - Syncytical tegument
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Phylum Platyhelminthes Nutrition and Digestion Extracellular and intracellular - Gastrovascular cavity Some have no digestive tract - Absorption
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Phylum Platyhelminthes Excretion and Osmoregulation Waste removal and respiration by diffusion Flame-cell photonephridia
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Phylum Platyhelminthes Nervous system Ladder-type nervous system - Motor and sensory neurons Ocelli
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Phylum Platyhelminthes Reproduction Monoecious Asexual reproduction
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Unformatted text preview: Major Groups Class Turbellaria Free-living Ciliated Regeneration Dugesia Major Groups Class Trematoda Syncytial tegument w/o cilia Indirect development Parasitic-Hosts Molluscs (intermediate) Vertebrates (definitive) Schistosoma Major Groups Class Monogenea Ectoparasites of fishes Direct development Major Groups Class Cestoda Scolex Proglottids Parasitic-Digestive tract of vertebrates-Microtriches Shelled larvae Taenia Figure 14.18 Review Phylum Platyhelminthes Tegument and Muscles Nutrition and Digestion Excretion and Osmoregulation Nervous System Reproduction Major Groups Phylum Nemertea Phylum Gnathostomulida Reminders Read Chapter 14 Exam 3 Lab Practical 2...
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Chapter 14 - Major Groups Class Turbellaria Free-living...

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