Porifera and Cnidarians

Question 1

Cnidarian Flow Patter

Answer 1

Ostia->Incurrent Canal, Prosopyle->Radial Canal-> apopyle->spongoceol->osculum.

Question 2

Classes of Porifera

Answer 2

Demospongiae (Horny), Calcarea (Calcareous), and Hexactinellida (siliceous)

Question 3

C. Hyrdazoa

Answer 3

Polyp Dominant..
hydra and obelia are examples. It ate daphnia.
The medusa has radial canals and many statocysts

Question 4

Physalia

Answer 4

Still Hydrazoa. it is made up of many polyps. Pneumatophore for flotation, fishing tentacles.

Question 5

Class Scyphazoa

Answer 5

Aurelia

Question 6

Aurelia

Answer 6

adradial canal (straight line)
perradial canal (branched)
Circular Canal goes around the circumference
Gastric pouch contains gonads

Question 7

Class Anthozoa

Answer 7

Metridium
rectractor muscles
siphonoglyph
Pedal Disk

Question 8

Soft Corals

Answer 8

Soft Corals are Octocorals

Renilla is a soft coral

Question 9

Hard Corals

Answer 9

hexacorals. They have calcium carbonate