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Search by topic:   15960. SEA URCHINS. This paper provides an anatomical description of sea urchins, a type of echinoderm, and discusses how they eat, move, and reproduce. Also refers to the 1980s “plague” in the Jamaican coral reefs that made sea urchins nearly extinct there and thus created a threat to the region’s ecosystem. Written 2003. 11 pages; 50 footnotes; 8 bibliographic sources. 2,524 words.   $77 Copyright 2002 Academic Research Papers Associate Term Paper Sites: Academic Research Papers Academic-Research-Papers Research Central Term Paper Assistance