animal of phylum porifera are characterized by
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Phylum Porifera are the lowest multicellular animals belonging to the kingdom Animalia.
The word “Porifera” mainly refers to the pore bearers or pore bearing species.
The poriferans have a spongy appearance and are therefore called sponges.
Characteristic:
They are mostly found in marine water. Only a few are found in freshwater.
They are either radially symmetrical or asymmetrical
They have no organs in their body
They depict cellular grade of organization
The body comprises numerous pores known as Ostia and osculum
The nutrition is holozoic.
They reproduce asexually by budding, and fragmentation.
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