Freshwater sponge is

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Euspongia

Spongilla

Cliona

Euplectella

answer is B.

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Detailed Solution

Concept: Spongilla, a type of freshwater sponge that is a member of the Spongillidae family, are typically found in lakes and slow-moving streams.
Spongilla's skeleton is made up of siliceous spicules. Both sexual and asexual methods are used by Spongilla to reproduce. Gemmules carry out asexual reproduction while an unusually free-swimming larva carries out sexual reproduction. Euspongia, Cliona, and Euplectella are all marine sponges. The freshwater sponges are the non-moving organisms that are found at the bottom of water bodies. They are invertebrates, which means they have no backbone and do not have organs.
Hence, option 2 is the correct option.

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