The pores in the body of a sponge, through which water is drawn in, are known as which of the following?Multiple choice question.ChoanocytesSpiculesOsculaOstia

What type of cells surround the body of a sponge?Multiple choice question.SpiculesEpithelial cellsChoanocytesAmoebocytes

What term refers to the opening at the top of a sponge, through which water exits?Multiple choice question.ChoanocyteOsculumOstiumAnus

A sponge's body is perforated by many ______, through which water flows.

What are the flagellated cells that line the internal cavity of a sponge and help water flow through the ostia called?Multiple choice question.ChoanocytesSpiculesAmoebocytesEpithelial cellsCnidocytes

The tough skeletal fibers and spicules that support the body of a sponge are formed by what type of cells?Multiple choice question.CnidocytesChoanocytesAmoeboid cellsEpithelial cells