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Exam 3 slides powerpoint
- 2. • Phylum:
– Porifera
• Structure:
– spongin
• Molecule:
– collagen
- 3. • Phylum:
– porifera
• Structure:
– Spicules
• Molecule:
– calcium carbonate
– or silicon
- 5. Sponge 1.s
scypha
Cell:
Ameobocytes/
archyocytes
amphiblastula
spongocoel
apopyl
Layer:
Cell:
mesoglea
choanocytes
Opening here:
prosopyle
Radial ostium Incurrent canal
canal
- 6. Scypha
spongocoel
Incurrent
canal
Radial canal apopyle
- 15. Obelia colony
Medusa buds
tentacles
Colony:
Gonangium
Structure: (reproductive)
Perisac
(dead Colony:
material) Hyrdranth
(feeding)
Molecule:
catin
Coenosarc
(living)
- 17. Hydra
budding
tentacles
bud
Basal disc (foot) mouth
hypostome
- 18. Hydra
• Phylum:
– cnidarians
• class:
– hydrozoa Gastrovascular
cavity
gastrodermis
epidermis Mesoglea layer
- 19. Planaria w.m
aka (scientific name): dugesia
Eye spots
Class:
turbellaria pharynx
- 20. epidermis
Planaria c.s
pharynx
Circular
muscles
Longitudinal
muscles
Parenchyma
gastrodermis layer
Gastrovascular cavity Buccal cavity Nerve chord
- 22. Mid section of Clonorchris
Sturcture hiding
under uterus:
Ventral sucker
Yolk gland
uterus
Intestinal secum
- 26. Fasciola hepatica
class: Trematoda
Oral sucker
Ventral sucker
testies Uterus w/eggs
Yolk glands
- 27. • Organism:
– Fasciola hepatica
• stage/life:
– Cercaria
• *goes to vegetation and
comes back as
metacercaria
- 28. • Organism:
• Fasciola hepatica
• stage/life/structure:
– miracidium
• *this is what comes out
of the egg, goes into
snail
- 32. • Scistosoma cercaria
• Species: scistosoma
• Head has digestive
enzymes to go into
human
• Branched tail help it to
swim
- 33. Schistosoma w.m
female and male
Gender: male
Gynecophoric
canal
Ventral sucker
Oral
sucker
Gender: female
- 45. • Organism:
– Diphylobothrium latum scolex
• Disease:
– pernicious anemia
(megaloblastic anemia):
vitamin B12 deficiency
Notas del editor
- *osculum- is the opening of entire sponge
- *hydrocaulus: hollow stem that contain coenosarc and perisac
- *diverticulum: branches of gastrovascular cavity
- * End of posterior portion would be excretory pore
- * Filled with cercaria