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.
Colorful clownfish swim among an array of sea anemones. Anemones appear in an enchanting variety of shapes and colors, but these simple invertebrates are essentially tubelike animals. One end of an anemoneâs body is attached to or dug into the seafloor, while the other hosts a mouth surrounded by tentacles.nemones appear in an enchanting variety of shapes and colors, but these simple invertebrates are essentially tubelike animals. One end of an anemoneâs body is attached to or dug into the seafloor, while the other hosts a mouth surrounded by tentacles.