Biology, asked by sirajburirop7uz6l, 1 year ago

why sac like gut is considered as incomplete?

Anonymous: Any digestive system having only one opening is considered incomplete. So sac like gut has only one opening of phrynx. Hence its incomplete.

Anonymous: Hope it helped u...

Answers

Answered by smartykiller

Incomplete Digestive Systems. Anincomplete digestive system has only one opening. The food goes in the same opening that the waste comes out. ... Water goes in and special cellscalled choanocytes filter out food particles.

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