Question

Canal system of porifera is not connected with what
a)food gathering
b.transport of nutrients
c.removal of waste
d.respiratory gas exchange

Answer 1

Answer:

It is not connected with respiration. All the other functions are carried out by canal system. Respiration takes place by diffusion through the body surface.

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Answer 2

Answer:

b.transport of nutrients

Explanation:Sponges have a water transport or canal system. Water enters through minute pores (ostia) in the body wall into a central cavity, spongocoel, from where it goes out through the osculum. This pathway of water transport is helpful in food gathering, respiratory exchange and removal of waste.