Glass Sponge Skeleton
This is the skeleton of a Glass Sponge or Venus’ Flower Basket.
A sponge is one of the simplest forms of multi-cellular animal.
Sponges have several different types of cells, but these cells are not arranged into tissues.
All sponges live in water, and most live in the sea.
Sponges feed by filtering tiny particles of food out of the water in which they live.