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Support is basically provided by the calciferous and siliceous spicules it is covered with throughout. The spicules form the skeletal framework of the sponge. Also. the sponge is attached to the stratum via base, which adheres it to a fixed spot.

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7y ago
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10y ago

Most of the sponges need a solid substrate like a rock to support them grow on it, in case of sponges growing on soft substrates they have root like base to support them grow.

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13y ago

spongins and spicules :)

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Q: What are two substances give the sponge support?
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What two substances gives the sponge support?

spongins and spicules give the sponge support:)


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