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Biology 23 Online
OpenStudy (anonymous):

Which statement is true for both incomplete and complete digestive systems? A. Materials enter and exit through the same opening. B. Digestion begins outside the cells. C. The digestive cavity is like a tube. D. Continuous feeding is possible.

OpenStudy (anonymous):

will give medal and follow

OpenStudy (anonymous):

i think c.

OpenStudy (anonymous):

Yes i believe that you are correct

OpenStudy (anonymous):

I think its B. :o

OpenStudy (anonymous):

THX

OpenStudy (anonymous):

Welcome (:

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