search
arrow-left Previous
Next arrow-right
Q: Members of ....... animal phylum are commonly known as sponges and they are generally marine and mostly asymmetrical animals:
  • A. Porifera
  • B. Mollusca
  • C. Platyhelminthes
  • D. Annelida
Correct Answer: Option A - Members of phylum Porifera are commonly known as sponges and 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 the cells. The branch of zoology that studies sponges is known as spongiology. Examples of poriferans are - Sycon, Spongilla, Hylonema, Cliona, Euspongia etc.
A. Members of phylum Porifera are commonly known as sponges and 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 the cells. The branch of zoology that studies sponges is known as spongiology. Examples of poriferans are - Sycon, Spongilla, Hylonema, Cliona, Euspongia etc.

Explanations:

Members of phylum Porifera are commonly known as sponges and 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 the cells. The branch of zoology that studies sponges is known as spongiology. Examples of poriferans are - Sycon, Spongilla, Hylonema, Cliona, Euspongia etc.