Sponge Spicule. Basic silicon building block of all sponges. Sponge spicule. Basic silicon building block of sponges. sharp pointed three trio skeleton triad Sponges |Sponge Spicule. Basic silicon building block of all sponges.
Surface foam formed by storm and wave action. Made up of diatoms and plankton. Surface foam formed by storm and wave action. Made up of diatoms and plankton. dead death decay decompose decaying decomposing rot rotting rotten planktonic fluff fluffy Plants |Surface foam formed by storm and wave action. Made up of diatoms and plankton.