âIn protest, the opposition did not participate in the vote, speaking of fraud and a âlaw of shame.ââ âAnd neither are condemnatory statements and protests, although they do serve the purpose of highlighting this scourge in our society.â
About. The purple sea urchin, Strongylocentrotus purpuratus, lives along the eastern edge of the Pacific Ocean extending from Ensenada, Mexico to British Columbia, Canada. This sea urchin species is deep purple in color and lives in lower intertidal and nearshore subtidal communities.It normally grows to a diameter of about 4 inches and may live as long as 70 years. Read more at Wikipedia. This entry is from. , the user-contributed encyclopedia.his sea urchin species is deep purple in color and lives in lower intertidal and nearshore subtidal communities. It normally grows to a diameter of about 4 inches and may live as long as 70 years. Read more at Wikipedia. This entry is from. , the user-contributed encyclopedia.
The mouth of the sea urchin (known as the Aristotle's lantern), is found in the middle on the underside of the sea urchin's body and has five tooth-like plates for feeding. The anus of the sea urchin is located on the top of the body.As with other echinoderms, sea urchins do not have a brain and instead rely on their water-vascular system which is like a circulatory system and comprises of water-filled channels that run through the body of the sea urchin.he spines of the sea urchin are used for protection, to move about, and to trap food particles that are floating around in the water. Sea urchins have five paired rows of tiny tube feet which are found amongst the spines.