after some research, they definetly don't have segmented bodies, i don't think its shell either, and hollow doenst sound correct, so my answer is round bodies
might need to clarify
planarians are not parasitic
hope this helps!
jellyfish are classified as stinging-cell animals because they have a
a. hollow body
b. segmented body
c. shell
d. round body
is a planarian is a parasite?
4 answers
yes it did .. thank you (:
http://en.wikipedia.org/wiki/Planarian
Hallow body