Answered

The function of muscular contractions that force water into the tube feet is
a. regeneration.
b. allowing the echinoderm to float with ocean currents.
c. digestion.
d. to enable the echinoderm to attach to surfaces.



Answer :

littlestar
all above are correct but the most appropriate is B..allow echinoderm to flow with ocean currents..
Xhade
b is the correct option as they help in locomotion...