Question

write two distinct features of porifera

Answer 1

General Characteristics of Porifera: Poriferans are commonly called sponges. These are multicellular organisms which are sessile/sedentary in nature. Most of them are marine while a few are fresh water forms. Body is cylindrical, asymmetrical or has radial symmetry.

Answer 2

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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 into 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)

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