Zoology Fall Semester Final Exam 2024

Front

What do Platyhelminthes have that Poriferians and/or Cnidarians don't?

Back

Simple brains.

Front

Name this body type: Polyp or Medusa?

Back

Polyp.

Front

What does Cephalopod mean?

Back

"Head-foot".

Front

How do sponges obtain food?

Back

Through filter feeding.

Front

What is the large opening at the top of the sponge called?

Back

Osculum.

Front

What type of symmetry do Cnidarians exhibit?

Back

Radial symmetry.

Front

What are the two main body forms of Cnidarians?

Back

Polyp and Medusa.

Front

What is the function of nematocysts in Cnidarians?

Back

To capture prey and defend against predators.

Front

What is the primary characteristic of Porifera?

Back

They are porous and lack true tissues.

Front

What type of circulatory system do Cephalopods have?

Back

Closed circulatory system.