CITC I – Flow of nodes

There are approximately 9000 sponge species which branches 3 taxonomic classes based on chemical composition of their skeleton. Calcarea, hexactinellida and demospongiae, in turnm consist of calsium carbonade, silicon dioxide and protein fiber. Venus’ flower basket, or Eupectella aspergillum in latin, belongs to the hexactinellida class. Glass sponges have elaborate skeletons made from silica that support the body. The biochemical …