The sea anemone is a coelenterate. They are a member of order Actinaria. They are in class Anthozoa. And, they are in phylum Cnidara.It is an invertebrate. Anemone have no heart, veins,blood bones, no means of locomotion, it has one body opening, it is a hollow sac, and it has a nervous system. It has long tentacles . It has a hollow mouth. It resembles a flower because the tentacles create a ring around …showed first 75 words of 607 total…

…showed last 75 words of 607 total…hermit crab, it has some foes. Animals such as the flounder, haddock and eel are fish known to feed on anemone. Other animals such as sea stars, sea spiders, and nudibranchs. Nudibranchs (otherwise known as sea slugs) are mollusks. A sea anemone is very useful for a nudibranch. For eating purposes, a nudibranch does something interesting. The nematocysts do not explode. Instead, they transport the nematocysts to the cerata, where they are used for defense.