an example of calcareous sponge is SPONGE BOB!
A calcareous sponge is any of a variety of sponge of the class Calcarea, with skeletons composed of spicules of calcium carbonate.
The genus of the Calcareous sponge is Leucetta and the species is Floridian. The order is Clathrinida and the family is Leucettidae.
Sponges are not plants but animals .
The Yellow Calcareous sponge is Arthuria canariensis (formerly Clathrina canariensis, and also previously classified in the genera Nardoa, Leucosolenia, and Ascuris).Clathrina clathrus (the typical Clathrina species) is also yellow, bit has a dissimilar structure.
Small fish
snowmen
Spongebob eats the Pie.
The three classes of sponge skeletons are siliceous or glass sponges (Class Hexactinellida), calcareous sponges (Class Calcarea), and sponges with a fibrous protein skeleton (Class Demospongiae). Each class has unique structural characteristics that support the sponge's body.
eats its own poo
a hawsbill sea turtle
Gravel made mostly of calcium carbonate, often in the form of limestone.