Mollusks in the class Gastropoda
a. lack a distinct head.
b. have an open circulatory system.
c. do not have a hemocoel.
d. are usually sessile.
Answer: b
Biology Questions and Answers.
a. lack a distinct head.
b. have an open circulatory system.
c. do not have a hemocoel.
d. are usually sessile.
Answer: b