Question

Name the excurrent opening of porifera canal system​

Answer 1

Answer:

Body walls of syconoid sponges include two types of canals, the radial canals and the incurrent canals paralleling and alternating with each other. ... It opens to the exterior though an excurrent opening called osculum which is similar to that of the ascon type of canal system.

Explanation:

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Answer 2

Answer:

Body walls of syconoid sponges include two types of canals, the radial canals and the incurrent canals paralleling and alternating with each other. ... It opens to the exterior though an excurrent opening called osculum which is similar to that of the ascon type of canal system...

Explanation:

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