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PHYLUM

PHYLUM. ?. The Greek: “ platys ” means?. Platyhelminthes. “ flat ”. + The Greek: “ helmins ” means?. “ worm ”. PHYLUM. Platyhelminthes. Symmetry?. Bilateral. Orientation Terms?. - Dorsal. - Ventral. - Posterior. - Anterior. PHYLUM. Platyhelminthes. Size Range?. 1 mm to 20 m.

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PHYLUM

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  1. PHYLUM ? The Greek:“platys”means? Platyhelminthes “flat” +The Greek:“helmins”means? “worm”

  2. PHYLUM Platyhelminthes Symmetry? Bilateral Orientation Terms? - Dorsal - Ventral - Posterior - Anterior

  3. PHYLUM Platyhelminthes Size Range? 1 mm to 20 m # Species? 14,500 (BDOL) Habitat? Marine, Fresh H2O & even Moist Land

  4. PHYLUM Platyhelminthes # Tissue Layers? Three 1 Outside? Ectodermis 2 Inside? Endodermis 3 Middle? Mesodermis

  5. PHYLUM Platyhelminthes # Of Classes? Three How Are They Grouped? Parasitic vsFree Living

  6. PHYLUM Platyhelminthes Classes #1 ? 1 Turbellaria - Example? - Planaria

  7. PHYLUM Platyhelminthes Classes #2 ? 1 Turbellaria 2 Trematoda - Example? - Fluke

  8. PHYLUM Platyhelminthes Classes #3 ? 1 Turbellaria 2 Trematoda 3 Cestoda - Example? - Tapeworm

  9. PHYLUM Platyhelminthes Classes 1 Turbellaria 2 Trematoda 3 Cestoda Called? Scolex Note: discs and hooks are located all around the scolex.

  10. PHYLUM Platyhelminthes Called?

  11. PHYLUM GravidProglottids Platyhelminthes These Proglottids are ??

  12. PHYLUM Platyhelminthes • Other Terms(check your book): • Cephalization - Snail (intermediate host for ?) • Schistosomiasis - Name PRIMARY host? • Flame Cells (Why named? Function?) • Ganglia • Pharynx - Tape worm life cycle • Regeneration - Scolex • Sensory Pits • Name organs made from Mesoderm? • Missing Systems? (In Cestoda?)

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