Question

Water Canal system present in

a. Star Fish b. Pilla

c. Sycon d. Both a and c​

Answer 1

Answer:

Explanation:

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Here is your answer!!!

Water Canal System is present in Porifera Phylum.

So,the answer would be Sycon which is a Porifera.

Water Canal System in Sponges:

• Water enter through tiny pores (ostia),then enters into central cavity(spongocoel) and goes out through osculum.

• This system is useful in gathering food,exchange of respiratory gases,and excretion of waste.

• The spongocoel and canals are lined by collar cells called Choanocytes.

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Answer 2

Correct Question -

Water Canal System Is present in -

[ A ] Star Fish

[ B ] Pilla

[ C ] Sycon

[ D ] Both A and C

Solution -

First let me explain , what is " Water Canal System " .

The water Canal System , is also known as aquiferous system.

It helps in food acquisition, respiratory gas exchange and also in excretion , in sponges .

Here , exchanges between sponge body and external medium are maintained by means of water current.

Food and oxygen are brought into body of the sponge by the water current , and the excreta is taken out in a similar way .

Now ,

Here, the answer is Sycon .

Thus option C is the correct answer.

Additional information -

Sychon belongs to the genera , phylum porifera , belonging to kingdom Animalia .