From Asconoid sponge: Leucosolenia, Syconoid sponge: Scypha, Leuconoid sponge, Gemmules (class Demospongiae), bath sponge, kitchen sponge, \"boring\"...

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Biology

From Asconoid sponge: Leucosolenia, Syconoid sponge:Scypha, Leuconoid sponge, Gemmules (class Demospongiae),bath sponge, kitchen sponge, \"boring\" sponge Cliona (classDemospongiae), hexactinellid or \"glass sponge\" (cl Hexactinelid),Euplectella
Consider the differences between sponges of organization interms of surface-to-volume relationships. Why are the larger formsmore complicated?
Notice that not all sponges have spicules and not all spongeshave spongin. Which sponge \"architectures\" are flexible and whichare more rigid?
Notice that body size and shape are somewhat variable. Can youdeduce which sponges are from wave-sheltered habitats and which arewave-exposed habitats?
Thank you!

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Ans Sponges are the most primitive animal group alive today and probably some of the first animals to appear on earth abundant fossil record simplest animals closely related to the group of protozoan protists called the choanoflagellates whose cells very closely resemble the colar cells of sponges Sponges with either an asconoid or See Answer

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