Search Results for: Animal products of aquatic invertebrates
production of pearls . on the other hand, as filter feeders, bivalves may also concentrate bacteria , viruses , pesticides, industrial wastes, toxic metals, and petroleum derivatives, and through consumption become vectors of human disease (grzimet ). shipworms (teredinidae) cause bioerosion of human-made
and open them by means of an external or internal ligament once the adductor muscles are relaxed, whereas brachiopods use muscle power to pull the shells apart and to close them. freshwater pearl mussels are among the most gravely threatened fauna in the world, comprising of the species of bivalves...
https://www.newworldencyclopedia.org/entry/Bivalve