Cnidarians and Other Invertebrates

2. The sponge belongs to the Kingdom ____ and the Phylum _____
Porifera, Spongaea
Spongaea, Porifera
Animalia, Porifera
Plantae, Porifera

3. Roundworms belong to which Phylum?
nematoda
platyhelminthes
cestoda
cnidaria

4. How does a planarian consume food?
by filter feeding
diffusion across the cell membrane
capturing with tentacles
siphoning food through a pharynx

5. A fluke is a:
parasitic flatworm
free-living flatworm
sessile filter feeder
free swimming predator

6. Stinging cells of a jellyfish are called:
amebocytes
cnidocytes
choanocytes
collar cells

7. Which of the following are parasitic?
tapeworm
ascaris
hookworm
all of these

8. Where would you find a hydra?
in water
in the digestive tract
in sand or dirt
on leaves of trees

9. Digestion occurs in which of the following?
flame cells
tentacles
gastrovascular cavity
proglottid

10. Which of the following pairs is most closely related?
roundworm & flatworm
jellyfish & sea anemone
tapeworm & sponge
sponge & hydra

Score =
Correct answers: