Preserved common Sycon sponges. Varies in length.
Hydra develops from an outgrowth or bud due to cell division at one particular site.
Blepharisma is a rather large, rose colored common protozoan and belongs to the Phyllum Ciliophora.
Five individual flagellate cultures. Our choice.
Rotifers are microscopic aquatic animals of the phylum Rotifera.