1. Porifera and Cnidaria Test

2. Which of the following diagrams shows the correct movement of water?1. 2. 3.
Picture Choice 1
Picture Choice 2
Picture Choice 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

3. Which of the following describes a Cnidarian in the predatory/hunting body plan?
Sessile : Medusa
Sessile : Polyp
Mobile : Medusa
Mobile : Polyp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

4. What phylum does the following belong to?
Porifera
Cnidaria
Mollusc 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

5. Name the structure
Choanocyte
Amoebocyte
Osculum

6. Name the structure
Choanocyte
Amoebocyte
Osculum

7. The structure below is in which form?
Polyp
Medusa
Polusa
I don’t know but it would make a good hat 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

8. An opening in the top of a Poriferan that allows waste to exit.
Choanocyte
Porocyte
Osculum
Cnidocyte
Nematocyst
Amoebocyte
Spongocoel
Gastrovascular Cavity

9. The large opening inside of a cnidarian where you would find food.
Choanocyte
Porocyte
Osculum
Cnidocyte
Nematocyst
Amoebocyte
Spongocoel
Gastrovascular Cavity

10. This diagram best represents:
Filter feeding in a sponge
Nematocysts being discharged in a jellyfish
Pore cells allowing water to enter the osculum
The gastrovascular cavity of the hydra 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

11. Name the structure
Spicule
Spongin
Nematocyst