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sea chub
(Encyclopedia)sea chub: see rudderfish.sea cow
(Encyclopedia)sea cow: see sirenian.sea cucumber
(Encyclopedia)sea cucumber, any of the flexible, elongated echinoderms belonging to the class Holothuroidea. Although sea cucumbers have the basic echinoderm radial symmetry (see Echinodermata), they do not have ar...sea fan
(Encyclopedia)sea fan, colonial marine animal forming erect, flattened, branching colonies in tropical and subtropical waters. Colonies may be several feet high and are often colorful, with purples, reds, and yello...sea gooseberry
(Encyclopedia)sea gooseberry, common name for some members of the phylum Ctenophora, whose members are also called comb jellies. ...sea grapes
(Encyclopedia)sea grapes: see tunicate.Sea Islands
(Encyclopedia)Sea Islands, chain of more than 100 low islands off the Atlantic coast of S.C., Ga., and N Fla., extending from the Santee River to the St. Johns River. The ocean side of the islands is generally sand...sea lettuce
(Encyclopedia)sea lettuce, common name for algal species of the genus Ulva. See seaweed; Chlorophyta. ...sea level
(Encyclopedia)sea level, the level of the sea, which serves as the datum used for measurement of land elevations and ocean depths. Theoretically, one would expect sea level to be a fixed and permanent horizontal su...sea lily
(Encyclopedia)sea lily, stalked echinoderm of the class Crinoidea. Sea lilies are ancient, having reached their peak in the Middle Mississippian period; about 5,000 fossil species are known. About 80 modern species...Browse by Subject
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