sponges have holes all over the body when passed through a sieve they separate themselves what can you conclude from the above regarding their body design?what is the uses of this holes.
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Sponges belong to phylum Porifera and are made up of unspecialized cells.
The sponges don't have any digestive system and any circulatory system so they have holes through which water pass to provide them with food helps them to clean the waste as well as provide them oxygen.
The sponges don't have any digestive system and any circulatory system so they have holes through which water pass to provide them with food helps them to clean the waste as well as provide them oxygen.
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