Question

what are the different type of spicules found in sponge​

Answer 1

Answer:

Accordingly spicules are of two types:

Calcareous spicules: The organic material in this type of spicules is calcium carbonate or calcite. ...

Siliceous spicules: The organics material in this type of spicules is Colloidal silica or Silicon. ...

Megascleres: These are larger spicules constituting main skeleton of sponge body.

Explanation:

On the basis of the material they are formed of, spicules are of two types: Calcareous, made of calcium carbonate and characteristic of the class Calcarea and Siliceous, made of silica and characteristic of the class Hexactinellida