Shanice616 Shanice616

05-09-2014
Biology

contestada

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.

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littlestar littlestar

05-09-2014

all above are correct but the most appropriate is B..allow echinoderm to flow with ocean currents..

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06-09-2014

b is the correct option as they help in locomotion...

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