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When shipworms bore into submerged wood, bacterial symbionts embedded within a sub-organ called the typhlosole in the shipworm gut, aid in the digestion of the wood particles ingested, [3] The Alteromonas or Alteromonas-sub-group of bacteria identified as the symbiont species in the typhlosole, are known to digest lignin, and wood material in ...
The excavations within the wood are of varying lengths and diameters, and it appears to be the case that the whole of the life cycle of this species of shipworm takes place in mid-ocean, with larvae settling on the timber and reproducing there as the wood slowly drifts along on the current. [5]
Teredo navalis, commonly called the naval shipworm or turu, [2] is a species of saltwater clam, a marine bivalve mollusc in the family Teredinidae. This species is the type species of the genus Teredo .
The sample was gunmetal black, and very muscular. While other shipworms feed on submerged wood, K. polythalamius was found to use bacteria in its gills to use hydrogen sulphide in the water as an energy source used to convert carbon dioxide into nutrients. [8] [9] In this respect it resembles the unrelated giant tube worm, which actually is a worm.
Teredo portoricensis, known commonly as the Puerto Rico shipworm, is a species of wood-boring clam or shipworm, a marine bivalve mollusk in the family Teredinidae. [1 ...
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Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...
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