How are sponges Classified? What Are The 2 Skeleton Types? 1 Spicules And the other type? By their internal skeleton Type? 2 Spongin
How are sponges Classified? What Are The 3 Skeleton Compositions? 1 Spicules 2 Spicules 3 Spongin By their internal skeleton - CaCO 3 - SiO 2 - Protein Type Composition (Calcareous) (Siliceous) (Proteinaceous)
Where do they fit in the Linnaean System? What Are The Three Sponge Classes? 1 Class Calcarea 2 Class Hexactinellida 3 Class Demospongiae They are grouped into Classes. CaCO 3 spicules SiO 2 spicules Spongin (best answer) (a few do have SiO 2 Spicules embedded in spongin)
How do sponges protect themselves? - By the production of some 4000 different chemical compounds. Many of which are toxic &/or smell bad. - By the production of the decidedly “chewy” or “chrunchy” spongin and spicules skeletons. And...