Zoology Test 1

The large opening at the top of the sponge is called the

• Osculum

• Porocyte

• Spicule

• Spongocoel

What type of symmetry do sponges (Porifera) have?

• asymmetrical

• radial

• bilateral

• both radial and asymmetrical

Term for an animal that is attached and not free-swimming.

• fixed

• stable

• sessile

• stationary

Sponges are in phylum

• Cnidaria

• Porifera

• Chordata

• Echinodermata

Name this body type.

• Polyp

• Medusa

What type of symmetry do phylum cnidaria possess?

• Biradial symmetry

• Radial symmetry

What type of asexual reproduction is shown here?

• binary fission

• Fragmentation

• Budding

• Sexual reproduction

Based on their diet, cnidarians are _____.

• herbivores

• omnivores

• carnivores

• photosynthetic

Flatworms are in the Phylum

• Nematoda

• Platyhelminthes

What structure do planaria use for feeding?

• Cilia
• Scolex
• Proglottids
• Pharynx