Biology, asked by sourabhsahu6846, 11 months ago

Short notes of phylum porifera

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Answered by anjali30703
1

Answer:

PORIFERA

  • Sponges are mostly marine and few fresh water animals.
  • Study of sponges is called parazoology.
  • Porifera is sessile, solitary, and few are colonial.
  • Body origination of porifera is cellular level.
  • Body plan of porifera is cell aggregation.
  • Symmetry of porifera is asymmetry.
  • Body is porous.
  • Presence of choanocyte is the unique character of Porifera.
  • Presence of canal system is unique character of porifera.
  • Example of porifera are sycon, euspongia, spongilla, euplectella etc.

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