Animal Body Plans

Sponges have what type of symmetry?

• Polyp

• Asymmetry

• Radial

• Bilateral

In sponges, water enters through the ____ and exits through the ___.

• Ostia, osculum

• Osculum, ostia

• Choanocytes, osculum

• Amebocytes, ostia

Which of the following is NOT a cnidarian?

• Coral

• Sea anemone

• Jellyfish

• Sponge

The bell shaped swimming form of a cnidarian is called a(n):

• Medusa

• Polyp

• Coral

• Radial

Which of the following organisms has a complete digestive tract?

• Hydra

• Planarian

• Roundworm

• Tapeworm

Which of the following is a filter feeder?

• Hydra

• Sponge

• Coral

• All of these

Roundworms belong to which Phylum?

• Nematoda

• Platyhelminthes

• Cestode

• Cnidaria

How does a planarian consume food?

• By filter feeding

• Diffusion across the cell membrane

• Capturing with tentacles

• Siphoning food through a pharynx

A fluke is a:

• Parasitic flatworm

• Free-living flatworm

• Sessile filter feeder

• Free swimming predator

Stinging cells of a jellyfish are called:

• Amebocytes

• Cnidocytes

• Choanocytes

• Collar cells