phylum the greek: “platys” means? “flat” + the greek: “helmins” means? “worm”...
TRANSCRIPT
PHYLUMPlatyhelminthes
Symmetry?
Orientation Terms?
Bilateral
- Dorsal
- Ventral
- Anterior
- Posterior
PHYLUMPlatyhelminthes
Size Range? 1 mm to 20 m
# Species? 14,500 (BDOL)
Habitat? Marine, Fresh H2O & even Moist Land
1 Outside?2 Inside?
3 Middle?
PHYLUMPlatyhelminthes
Three# Tissue Layers?Ectodermis
Endodermis
Mesodermis
PHYLUMPlatyhelminthes
1 Turbellaria
2 Trematoda
Classes
3 Cestoda Called? Scolex
Note: discs and hooks are located all around the scolex.
PHYLUMPlatyhelminthesOther 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?)