Mollusks Adaptive Review

Front

What is the function of gills in mollusks?

Back

Gas exchange (breathing)

Front

Which group of cephalopods can flatten their body and change skin color?

Back

Octopuses

Front

What is radial symmetry?

Back

A body plan where any number of imaginary planes drawn through the center can divide the body into equal halves.

Front

What type of circulatory system do clams have?

Back

Open circulatory system.

Front

How do some gastropods increase their speed of locomotion?

Back

They secrete slime from the base of their foot.

Front

What is the primary function of the mantle in mollusks?

Back

To produce the shell and facilitate respiration.

Front

Define cephalization in mollusks.

Back

The concentration of sensory organs and nervous tissue at the anterior end of the organism.

Front

What is the main characteristic of the class Cephalopoda?

Back

They have a well-developed head and a set of arms or tentacles.

Front

What is the role of the radula in mollusks?

Back

It is a toothed, chitinous ribbon used for feeding.

Front

What distinguishes bivalves from other mollusks?

Back

They have two shells (valves) and lack a radula.