Quiz: Simple Animals

1. Which of the following is NOT a cnidarian?
coral
sea anemone
jellyfish
sponge

2. The bell shaped swimming form of a cnidarian is called a(n):
medusa
polyp
coral
radial

3. Which of the following organisms has a complete digestive tract?
hydra
planarian
roundworm
tapeworm

4. Sponges have what type of symmetry?
polyp
asymmetry
radial
bilateral

5. In sponges, water enters throught the ____ and exits through the ___.
ostia, osculum
osculum, ostia
choanocytes, osculum
amebocytes, ostia

6. Which of the following exhibits cephalization?
jellyfish
sponge
tapeworm
hydra

7. The intermediate host of the schistosoma worm is the:
mosquito
tapeworm
cow
snail

8. What is the best way to prevent most parasitic infections?
vaccines
good sanitation
antibiotics
all of these

9. Flatworms acquire oxygen by:
incomplete respiratory system
diffusion across their skin
gas pockets within their body cavity
flatworms do not need oxygen

10. A tapeworm belongs to the Kingdom ___, the Phylum ____ and the Class ___.
Platyhelminthes, Cestoda, Dugesia
Chordata, Platyhelminthes, Trematoda
Animalia, Platyhelminthes, Cestoda
Animalia, Cestoda, Platyhelminthes

Score =
Correct answers: