All annelids in the class Oligochaeta and Hirudinea have
a. gills.
b. parapodia.
c. a segmented coelom.
d. an open circulatory system.
Answer: c
Biology Questions and Answers.
a. gills.
b. parapodia.
c. a segmented coelom.
d. an open circulatory system.
Answer: c