Marine mollusk shells that are familiar to beachcombers and thus most likely to be called " seashells " are the shells of marine species of bivalves ( or clams ), gastropods ( or snails ), scaphopods ( or tusk shells ), polyplacophorans ( or chitons ), and cephalopods ( such as nautilus and spirula ).

Marine species of gastropods and bivalves are more numerous than land and freshwater species, and the shells are often larger and more robust.

The Brazilian Armed Forces (, ) is the unified military organization comprising the Brazilian Army ( including the Brazilian Army Aviation ), the Brazilian Navy ( including the Brazilian Marine Corps and Brazilian Naval Aviation ) and the Brazilian Air Force.

Costa Rica is party to many environmental treaties, including the Convention on Biological Diversity, the Convention on Environmental Modification, the United Nations Framework Convention on Climate Change, the Montreal Protocol, the Ramsar Convention, the International Convention for the Regulation of Whaling, the Desertification Convention, the Endangered Species Convention, the Basel Convention, the Convention on the Law of the Sea, the Convention on Marine Dumping, the Comprehensive Test Ban Treaty.

Thirty-five men have served as the Commandant of the Marine Corps, including the current Commandant James F. Amos.

On 1 April 2010, the UK Cabinet declared the Chagos Archipelago a Marine Protected Area ( MPA ) and prohibited all extractive industry, including fishing and oil and gas exploration.

A subsidiary issue is the Mauritian opposition to the UK Government's declaration of 1 April 2010 that the BIOT is a Marine Protected Area with fishing and extractive industry ( including oil and gas exploration ) prohibited.

Intense attacks against U. S. and Western interests, including two truck bombings of the US Embassy in 1983 and 1984 and the landmark attacks on the U. S. Marine and French parachute regiment barracks on October 23, 1983, led to an American withdrawal, while the virtual collapse of the Lebanese Army in February 1984 was a major blow to the government.

" Services are also provided by local and state governments bordering on the lake, including Vermont State Police, New York State Police Marine Detail, and Vermont Fish and Wildlife wardens.

Marine biology covers a great deal, from the microscopic, including most zooplankton and phytoplankton to the huge cetaceans ( whales ) which reach up to a reported 30 meters ( 98 feet ) in length.

Marine biologists study how the ocean currents, tides and many other oceanic factors affect ocean lifeforms, including their growth, distribution and well-being.

About 75 percent of the student body is composed of equal representation from the land, air, and sea ( including Marine and Coast Guard ) Services.

The nine-story building, built in 1977, was named for a federal judge and housed fourteen federal agencies including the DEA, ATF, Social Security Administration, and recruiting offices for the Army and Marine Corps.

The Pacific Remote Islands Marine National Monument, including Palmyra Atoll, was established on January 6, 2009.

" The leak, dubbed ' Military Meltdown Monday ,' includes 90, 000 logins of military personnel — including personnel from USCENTCOM, SOCOM, the Marine corps, various Air Force facilities, Homeland Security, State Department staff, and what looks like private sector contractors.

Even so, criticism in the media, including withdrawal of an endorsement contract by Quaker Oats, resulted in his enlistment in the Marine Corps on May 22, 1942.

Vanuatu is party to a number of international agreements, including agreements on Biodiversity, Climate Change, Desertification, Endangered Species, Law of the Sea, Marine Dumping, Ozone Layer Protection, and Ship Pollution.

Marine worms are found in several different phyla, including the Platyhelminthes, Nematoda, Annelida ( segmented worms ), Chaetognatha, Hemichordata, and Phoronida.

Furthermore, the Secretary has several statutory responsibilities under the Uniform Code of Military Justice ( UCMJ ) with respect to the administration of the military justice system for the Navy & the Marine Corps, including the authority to convene general courts-martial and to commute sentences.

Marine resources, including fishing, aquaculture, tourism development, and agriculture, are top government development priorities.

It has also become suggested reading for many military organizations, including the United States Marine Corps.

The song's meter allows it to be sung to a number of popular tunes including: " Amazing Grace "; " Greensleeves "; " The House of the Rising Sun "; " The Rising of the Moon / Wearing of the Green "; Beethoven's " Ode to Joy " ( in his Ninth Symphony, fourth movement ); " Oh My Darling, Clementine "; " Semper Paratus "; " The Marine Corps Hymn "; " The Yellow Rose of Texas "; " I'd Like to Teach the World to Sing "; " Ghost Riders in the Sky "; " Acres of Clams ", and the theme song from the TV show Gilligan's Island.

In addition, there are several properties outside London, including the University Marine Biological Station, Millport on the Isle of Cumbrae, a number of residential and catering units further afield and the premises of the University of London Institute in Paris which offers undergraduate and postgraduate degrees in French and Historical Studies.

The proposals were then examined by a commission of the Ministry of Marine, including Captains Petit-Thouars, J-B Cécille, and Roy, all of whom had special experience of the Pacific and of the supervision of French whaling interests.

* Vineyard Haven Harbor, including the Marine Railway

Annunziata oversaw the rapid expansion of the company, including the purchase of Frontier Corp. at a cost of $ 11. 2 billion, the $ 850 million purchase of Global Marine Systems, and an increase in the workforce from 150 to 14, 000.

Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water.

* Marine biology, the scientific study of organisms in the ocean or other marine or brackish bodies of water

Marine and salty environments also lower the lifetime of galvanized iron because the high electrical conductivity of sea water increases the rate of corrosion.

This Naval Infantry functions similar to the US Marine Infantry which traditionally assault land objectives from water born assault platforms.

Marine tourism, such as diving, water bicycle, and wind surfing, is the most important touristic activity in this territory.

Due to regular exposure to large bodies of water, all recruits in the United States Navy, Marine Corps, and Coast Guard are required to complete basic swimming or water survival training.

Marine species are found mostly interstitially in between sediment particles, while terrestrial species live in the water films around grains of soil.

Marine diatoms can be collected by direct water sampling, though benthic forms can be secured by scraping barnacles, oyster shells, and other shells.

United States Marine Corps | U. S. Marines treading water in formation while carrying a rifle during a water survival course in July 2005

Marine propulsion is the mechanism or system used to generate thrust to move a ship or boat across water.

Marine jellyfish can consist of as much as 98 % water and therefore are rarely found in fossil form.

* Marine Design Center ( CEMDC ) — provides total project management including planning, engineering, and shipbuilding contract management in support of Corps, Army, and national water resource projects in peacetime, and augments the military construction capacity in time of national emergency or mobilization

The tidal wetlands and areas of water around the islands are protected within the Moreton Bay Marine Park.

A local area military base, Marine Corps Logistics Base Barstow notified Golden State Water that samples taken from their water system showed the chemical perchlorate at levels above the maximum contaminant level of 6 parts per billion.

A view of downtown Woods Hole from the water, including Marine Biological Laboratory | MBL and Woods Hole Oceanographic Institution | WHOI buildings.

* The Brevent Park and Leonardo Fire Company is the owner of a Marine Fire Boat that can be requested throughout the Bayshore community for scenes on the water involving Fire and Water Rescue

Lumbering trailed off at the turn of the 20th century, but the town has continued to take advantage of its position along those bodies of water with a major paper mill ( Kimberly Clark ), and other plants such as: Marinette Marine, a shipyard owned by the Italian firm, Fincantieri ; Ansul / Tyco, a manufacturer of fire protection systems ; ThyssenKrupp Waupaca Foundry and Karl Schmidt Unisia, Inc., cast and machined automotive parts ; and Silvan Industries, a manufacturer of pressure vessels and part of the Samuel Pressure Vessel Group.

2009-The Marine and Coastal Access Act 2009 allowed the creation of marine conservation zones and with the consent of the secretary of state, the creation of SSSIs below mean low water mark.

The Marine Spa provided various therapies such as seaweed baths, needle, douche showers, hot and cold water baths and electric shock treatment.

The Marine Police was thus restructured and renamed as the Police Coast Guard, one of the few law enforcement organizations in the world to combine water policing and coast guard duties while remaining as a policing unit.

Marine engineering staff also deal with the " hotel " facilities on board, notably the sewage, lighting, air conditioning and water systems.

* Marine vessel, a nautical term for all kinds of craft designed for transportation on water, such as ships or boats.

Power production, aluminium production ( Sør-Norge Aluminium ), sea-farming, shipbuilding ( Eidsvik Skipsbyggeri, Hellesøy Verft, Bergen Group Halsnøy ) and lifeboat production ( Umoe Schat-Harding, Norsafe, Eide Marine Tech, Noreq ) all have water as the main basis of production.

* Owen Sound Marine and Rail Museum – showcasing the city's rich history in rail and water transportation and its role in the growth of Ontario.