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.
Urticina piscivora, a large, fish-eating temperate-water anemone from the Pacific Northwest of the US offers clues to the feeding of tropical sea anemones. Photo by Linda Snook/NOAA.What sea anemones eat and how to keep them nourished in the aquarium.By Ronald L. Shimek, Ph.D.rticina piscivora, a large, fish-eating temperate-water anemone from the Pacific Northwest of the US offers clues to the feeding of tropical sea anemones. Photo by Linda Snook/NOAA. What sea anemones eat and how to keep them nourished in the aquarium. By Ronald L. Shimek, Ph.D.