EVERYDAY SCIENCE

Detailed explanation-1: -The sea worms are a large and varied group of animals belonging to a group called annelida. They are segmented worms, and all bear at least some resemblance to the common earthworm. In the ocean, however, the worms have evolved many different appearances. One of the more interesting varieties is the tube worms.

Detailed explanation-2: -shipworm, also called pileworm, any of the approximately 65 species of marine bivalve mollusks of the family Teredidae (Teredinidae). Shipworms are common in most oceans and seas and are important because of the destruction they cause in wooden ship hulls, wharves, and other submerged wooden structures.

Detailed explanation-3: -Today, shipworms are eaten primarily in parts of southeast Asia. But because they show great promise as a sustainable protein source, they are being considered for aquaculture to help feed the growing human population.

Detailed explanation-4: -The true worms have soft, segmented bodies often more or less cylindrical in shape. The skin is covered by a layer of cuticle (a non-cellular substance secreted by the skin cells underneath), which is soft and is not made hard by the inclusion in it of other substances as is done in the Insects and Crustacea.