A third level can be defined to identify a particular host server at the Internet address. In our example, www is the name of the server that handles Internet requests. (A second server might be called www2.) A third level of domain name is not required.
Sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria. They are named for the anemone, a terrestrial flower.Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Hexacorallia. sea anemone is a sessile polyp attached at the bottom to the surface beneath it by an adhesive foot, called a basal disc, with a column-shaped body ending in an oral disc.
Many anemone species are reasonably available, but each species varies in its aquarium hardiness and difficulty of care. When selecting a sea anemone it is important to choose not only a hardy specimen, but also a healthy specimen. It is also important to choose an anemone that is suitable for your aquarium type.lown Fish Anemone. Sea anemones have special relationships with other animals and organisms, where each animal helps the other in some way. Perhaps the most well known relationship is that of some sea anemone species providing a home and protection for clownfish.