Question

5) Write the following statement is true or false with proper explanation. Porifera animals have special type of collar cells.​

Answer 1

Porifera animals have special type of collar cells .

The statement given is true ( Choanocytes are know as collar cells . They are line in the spongocoel canals ) .

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Some properties of Porifera :-

1. Porifera are marine in nature .
2. Porifera are multicellular animals and they have cellular level of organisation .
3. There are asymmetrical in nature .
4. In the body of Porifera there are water canal system from where the transportation occurs .
5. Porifera also perform food gathering , respiration , exchange and removal of waste with the help of water transportation in their body .
6. The digestion performed is intracellular .
7. There are different sexes male and female .
8. Porifera reproduce by both method asexual and sexual in asexual method by fermentation and sexual method by formation of gametes .

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