Question

Write two distinct features of Porifera​

Answer 1

Their bodies are asymmetrical. Body shape can be cylindrical, vase-like, rounded or sac-like. They are diploblastic animals with two layers, the outer dermal layer and the inner gastral layer. There is a gelatinous, non-cellular mesoglea, in between these two layers.

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Answer 2

Required AnsweR :

Porifera is a further classification of Animalia. Since Animalia are eukaryotic, multicellular and heterotrophic, all the organisms classified under Animalia obey these features.

Distinct Features of Porifera :

• It has a cellular level of organisation.
• These organisms are Coelomates.

General Porifera Facts :

• Asymmetrical body.
• Non-motile organisms.
• Also known as sponges.
• It contains pores and water is consumed its body using these pores.
• Covered with hard exoskeleton.
• Marine Habitation.
• The show regeneration.
• Reproduction can be both sexual or asexual.
• They use oxygen for breathing purpose, and consume microbes as food.
• Eg: Sycon, Euplectelea, Spongilla etc.

(Figure 1-Sycon)

(Figure 2 - Euplectelea)

(Figure 3-Spongilla)