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Sponges are not unicellular organisms but they are multicellular organisms.They belong to phylum Porifera. They lack tissue grade organization hence they are called Parazoa. Sponges are aquatic animal with pores in body . They possess following types of cells; pinacocytes , choanocytes ,amoeboid cells,spongioblasts and fibroblasts.

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12y ago
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9y ago

Sponges differ from other multicellular animals in that they do not develop organs. The multicellular sponge cells are totipotent. This allows the cells to develop into reproductive cells or other types of cells for the sponge.

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14y ago

Yes. They are primitive multicellular animals with a few specialised cell types but no nervous, digestive or circulatory systems.

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14y ago

Sponges are indeed multicellular, but they are thought to have evolved from unicellular protists.

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15y ago

multicellular

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13y ago

unicellular organisms

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11y ago

No, it is multicellular.

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Q: Is the marine sponge unicellular or multicellular?
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