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Provides food for other organisms. Gives oxygen to the water and the earth. Use for household items and for bathing.

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14y ago
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15y ago

Any particular species of the 5000 or so which exist? Ever wondered how much deeper the ocean would be without them?

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11y ago

phylum porifera is v important

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11y ago

Chloroform Rag

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10y ago

The sponge can regenerate.

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Q: Ecological importance of phylum porifera to economy?
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