Question

What is the meaning of porifera

Answer 1

Sponges (porifera) are animals of the phylum Porifera. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.

Answer 2

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Q. What is Porifera?

1) In Greek porifera means the organisms which have pores on their bodies.

2) Their body consists numerous pores.

3) The are mostly marine organisms.

4) They've canal system that helps in circulating water throughout the body to bring in food and oxygen.

5) These animals are covered with the hard outside layer.

6) Presence of a central cavity called spongocoel.

7) They are the simplest multicellular organisms.

8) Their bodies have no symmetry.

Examples - Sycon, Spongilla, Euplectella and Euspongia.