The skeleton of the class Demospongiae is mad | vedclass

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(D) The class $Demospongiae$ (phylum $Porifera$) is characterized by a skeleton composed of spongin fibers,siliceous spicules,or both. Unlike the clas

Vedclass · Accepted Answer

Both spongin fibers and siliceous spicules

Vedclass · Answer

(D) The class $Demospongiae$ (phylum $Porifera$) is characterized by a skeleton composed of spongin fibers,siliceous spicules,or both. Unlike the class $Calcarea$ (which has calcium carbonate spicules) or $Hexactinellida$ (which has six-rayed siliceous spicules),$Demospongiae$ exhibits a diverse skeletal composition that often includes a combination of spongin and silica.

The skeleton of the class $Demospongiae$ is made up of ..........

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