0_Wizard
the ocean composes most of the planets hydrosphere 
An ocean (, the sea of classical antiquity) is a body of saline water that composes much of a planet's hydrosphere.
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Ocean
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Ocean
An ocean (, the sea of classical antiquity) is a body of saline water that composes much of a planet's hydrosphere. On Earth, an ocean is one of the major conventional divisions of the World Ocean. These are, in descending order by area, the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans. The word "sea" is often used interchangeably with "ocean" in American English but, strictly speaking, a sea is a body of saline water (generally a division of the world ocean) partly or fully enclosed by land. Saline water covers approximately and is customarily divided into several principal oceans and smaller seas, with the ocean covering approximately 71% of Earth's surface and 90% of the Earth's biosphere.
Hydrosphere
The hydrosphere (from Greek ὕδωρ "hydōr", "water" and σφαῖρα "sphaira", "sphere") is the combined mass of water found on, under, and above the surface of a planet, minor planet or natural satellite. It has been estimated that there are 1386 million cubic kilometers of water on Earth. This includes water in liquid and frozen forms in groundwater, oceans, lakes and streams. Saltwater accounts for 97.5% of this amount. Fresh water accounts for only 2.5%. Of this fresh water, 68.9% is in the form of ice and permanent snow cover in the Arctic, the Antarctic, and mountain glaciers. 30.8% is in the form of fresh groundwater.
Modern Mars habitability
One of the central questions of modern Astrobiology is whether there is, or ever has been life on Mars. Mars probably had oceans in the past, and it definitely had lakes and a thicker atmosphere. Modern Mars has become cold, dry, and almost uninhabitable, yet, if life did ever arise on Mars, some hardy microbes and perhaps even multicellular life might survive there right through to the present. The only missions to search for life on Mars, the two Viking missions, returned results that were inconclusive . However the instruments were not designed to cope with the unusual conditions which Viking discovered on Mars, which may have confused the results of the experiments.
Geology of solar terrestrial planets
The geology of solar terrestrial planets mainly deals with the geological aspects of the four terrestrial planets of the Solar System, Mercury, Venus, Earth, and Mars, and one terrestrial dwarf planet, Ceres. Only one terrestrial planet, Earth, is known to have an active hydrosphere. Terrestrial planets are substantially different from the giant planets, which might not have solid surfaces and are composed mostly of some combination of hydrogen, helium, and water existing in various physical states. Terrestrial planets have a compact, rocky surfaces, and Venus, Earth, and Mars each also have an atmosphere.
Earth
Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4 billion years ago. Earth's gravity interacts with other objects in space, especially the Sun and the Moon, Earth's only natural satellite. Earth revolves around the Sun in 365.26 days, a period known as an Earth year. During this time, Earth rotates about its axis about 366.26 times. Earth's axis of rotation is tilted, producing seasonal variations on the planet's surface. The gravitational interaction between the Earth and Moon causes ocean tides, stabilizes the Earth's orientation on its axis, and gradually slows its rotation.
Circumstellar habitable zone
In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure. The bounds of the CHZ are based on Earth's position in the Solar System and the amount of radiant energy it receives from the Sun. Due to the importance of liquid water to Earth's biosphere, the nature of the CHZ and the objects within it may be instrumental in determining the scope and distribution of Earth-like extraterrestrial life and intelligence. The habitable zone is also called the Goldilocks zone, a metaphor of the children's fairy tale of "Goldilocks and the Three Bears", in which a little girl chooses from sets of three items, ignoring the ones that are too extreme (large or small, hot or cold, etc.
Abiogenesis
Abiogenesis (British English: , ), biopoiesis, or informally the origin of life, is the natural process by which life arises from non-living matter, such as simple organic compounds. On Earth, the transition from non-living to living entities was not a single event but a gradual process of increasing complexity. Abiogenesis is studied through a combination of paleontology, chemistry, and extrapolation from the characteristics of modern organisms, and aims to determine how pre-life chemical reactions gave rise to life on Earth. The study of abiogenesis can be geophysical, chemical, or biological, with more recent approaches attempting a synthesis of all three, as life arose under conditions that are strikingly different from those on Earth today.
1_Apprentice
I knew it was a lot - the oceans are still so unexplored
0_Wizard
97 % of the world is water, it will take many more years to find everything , i bet theres many undiscoverd fish in there
The ocean contains 97% of Earth's water, and oceanographers have stated that less than 5% of the World Ocean has been explored.
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U.S. Route 50 in Maryland
U.S. Route 50 (US 50) is a major east–west route of the U.S. Highway system, stretching just over from Ocean City, Maryland on the Atlantic Ocean to West Sacramento, California. In the U.S. state of Maryland, US 50 exists in two sections. The longer of these serves as a major route connecting Washington, D.C. with Ocean City; the latter is the eastern terminus of the highway. The other section passes through the southern end of Garrett County for less than as part of the Northwestern Turnpike, entering West Virginia at both ends. One notable section of US 50 is the dual-span Chesapeake Bay Bridge across the Chesapeake Bay, which links the Baltimore–Washington metropolitan area with the Eastern Shore region, allowing motorists to reach Ocean City and the Delaware Beaches.
Little Star (novel)
Little Star () is a 2010 horror/drama novel written by John Ajvide Lindqvist. It is named after "Lilla stjärna", the Swedish entry to the Eurovision Song Contest 1958 held in Hilversum, the Netherlands. In 1992, a musician named Lennart finds in the woods an infant left for dead. He takes her to his wife, Laila, and the two raise the child in secrecy, believing that her catatonic and trance-like state will result in her being perceived as mentally ill. Their adult son, Jerry, frequently visits the child, whom he names Theres. Lennart becomes obsessed with Theres due to her angelic voice. He convinces her never to leave the house by telling her that the world is full of "big people" who want to eat up the "little people," like her.
Craps
Craps is a dice game in which the players make wagers on the outcome of the roll, or a series of rolls, of a pair of dice. Players may wager money against each other (playing "street craps", also known as "shooting dice," "rolling bones," or any combination thereof) or a bank (playing "casino craps", also known as "table craps", or often just "craps"). Because it requires little equipment, "street craps" can be played in informal settings. Craps developed from a simplification of the early English game of "hazard". Its origins are complex and may date to the Crusades, later being influenced by French gamblers.
Nile crocodile
The Nile crocodile ("Crocodylus niloticus") is an African crocodile, the largest freshwater predator in Africa, and may be considered the second largest extant reptile in the world, after the saltwater crocodile ("Crocodylus porosus"). The Nile crocodile is quite widespread throughout Sub-Saharan Africa, occurring mostly in the central, eastern, and southern regions of the continent and lives in different types of aquatic environments such as lakes, rivers and marshlands. Although capable of living in saline environments, this species is rarely found in saltwater, but occasionally inhabits deltas and brackish lakes.
Uncharted 3: Drake's Deception
Uncharted 3: Drake's Deception is an action-adventure video game developed by Naughty Dog and published by Sony Computer Entertainment for the PlayStation 3. Released on November 2011, it is the sequel to "", and the third game in the "Uncharted" series. The game follows Nathan Drake who, with his mentor Victor Sullivan, travels the world in search of the legendary lost city the Iram of the Pillars in the Rub' al Khali desert. The plot draws from the archaeology days of T. E. Lawrence. "Drake's Deception" was the last "Uncharted" game developed under writer and creative director Amy Hennig. "Uncharted 3" was one of the best-reviewed games of 2011 with a score of 92 from review aggregate website Metacritic.
List of Madagascar (franchise) characters
This is a list of characters that have appeared in the "Madagascar" films, the television series "The Penguins of Madagascar", and the Netflix series "All Hail King Julien". Tom McGrath explained in an interview that the intention of "Madagascar" was not to take a political stance on whether "zoos are bad and the wild is better, or that the wild is bad," but to show "the most extreme 'fish out of water' story that [they] could do". McGrath stated "the basic irony to the story is that, you think animals do belong in the wild, but if they're so accustomed to civility, they wouldn't know where food even came from," and the animals were meant to "love the zoo and to love where they are because they've got" "right off Fifth Avenue".
List of minor The Hitchhiker's Guide to the Galaxy characters
The following is an alphabetical list of the minor characters in the various versions of "The Hitchhiker's Guide to the Galaxy", by Douglas Adams. The descriptions of the characters are accompanied by information on details about appearances and references to the characters. Major characters— Arthur Dent, Ford Prefect, Zaphod Beeblebrox, Marvin the Paranoid Android, Trillian, and Slartibartfast—are separately described. Lists are also available for places in "The Hitchhiker's Guide to the Galaxy", races and species in "The Hitchhiker's Guide to the Galaxy", technology in "The Hitchhiker's Guide to the Galaxy", phrases from "The Hitchhiker's Guide to the Galaxy", and cast lists for "The Hitchhiker's Guide to the Galaxy".
1_Apprentice
I'm sure there are - it's just so undiscovered.  I wouldn't be surprised to find one of those Megaladons one of these days.
0_Wizard
so far they have only discovered 230,000 species , they believe there is 2 million undiscovered species 
The world ocean is the habitat of 230,000 known species, but because much of it is unexplored, the number of species that exist in the ocean is much larger, possibly over two million.
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List of ecoregions in North America (CEC)
This list of ecoregions of North America provides an overview of North American ecoregions designated by the Commission for Environmental Cooperation (CEC) in its North American Environmental Atlas. It should not be confused with Wikipedia articles based on the classification system developed by the World Wildlife Fund, such as List of ecoregions (WWF) and Lists of ecoregions by country. The commission was established in 1994 by the member states of Canada, Mexico, and the United States to address regional environmental concerns under the North American Agreement on Environmental Cooperation (NAAEC), the environmental side accord to the North American Free Trade Agreement (NAFTA).
Biodiversity
Biodiversity, a portmanteau of "bio" (life) and "diversity", generally refers to the variety and variability of life on Earth. According to the United Nations Environment Programme (UNEP), biodiversity typically measures variation at the genetic, the species, and the ecosystem level. Terrestrial biodiversity tends to be greater near the equator, which seems to be the result of the warm climate and high primary productivity. Biodiversity is not distributed evenly on Earth, and is richest in the tropics. These tropical forest ecosystems cover less than 10 percent of earth's surface, and contain about 90 percent of the world's species.
List of creatures in Primeval
The following is a complete list of creatures from the universe of ITV science fiction television series "Primeval" and also any spin-off media, including "" ("PNW"). The series includes various imaginary species which are not native to the series setting, with some being prehistoric and others being futuristic. Various creatures were designed with some artistic license, for dramatic effect. A number of creatures from the "Walking with..." series were also reimagined for dramatic effect. In 2007 Character Options announced they would create "Primeval" action figures, including both a flying Rex and a large plush toy Rex, Future Predators, "Hesperornis" and dodos.
Norway
Norway ( ; Norwegian: (Bokmål) or (Nynorsk); ), officially the Kingdom of Norway, is a sovereign state and unitary monarchy whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard. The Antarctic Peter I Island and the sub-Antarctic Bouvet Island are dependent territories and thus not considered part of the Kingdom. Norway also lays claim to a section of Antarctica known as Queen Maud Land. Until 1814, the kingdom included the Faroe Islands, Greenland, and Iceland. It also included Bohuslän until 1658, Jämtland and Härjedalen until 1645, Shetland and Orkney until 1468, and the Hebrides and Isle of Man until 1266.
Marine life
Marine life, or sea life or ocean life, refers to the plants, animals and other organisms that live in the salt water of the sea or ocean, or the brackish water of coastal estuaries. At a fundamental level, marine life helps determine the very nature of our planet. Marine organisms produce much of the oxygen we breathe. Shorelines are in part shaped and protected by marine life, and some marine organisms even help create new land. Most life forms evolved initially in marine habitats. Oceans provide about 99 percent of the living space on the planet. The earliest vertebrates appeared in the form of fish, which live exclusively in water.
Western Ghats
Western Ghats (Sanskrit: पश्र्चिमघट्टाः,Hindi/Konkani/Marathi: सह्याद्री, Gujarati: સહ્યાદ્રિ, Kannada: ಸಹ್ಯಾದ್ರಿ ಬೆಟ್ಟ, Malayalam: സഹ്യപര്‍വ്വതം, Tamil: மேற்குத்தொடர்சசி மலைகள்) also known as Sahyadri (Benevolent Mountains) is a mountain range that runs parallel to the western coast of the Indian peninsula, located entirely in India. It is a UNESCO World Heritage Site and is one of the eight "hottest hot-spots" of biological diversity in the world. It is sometimes called the Great Escarpment of India. The range runs north to south along the western edge of the Deccan Plateau, and separates the plateau from a narrow coastal plain, called Konkan, along the Arabian Sea.
Lemur
Lemurs ( ) are a clade of strepsirrhine primates endemic to the island of Madagascar. The word "lemur" derives from the word "lemures" (ghosts or spirits) from Roman mythology and was first used to describe a slender loris due to its nocturnal habits and slow pace, but was later applied to the primates on Madagascar. As with other strepsirrhine primates, such as lorises, pottos, and galagos (bush babies), lemurs share resemblance with basal primates. In this regard, lemurs are often confused with ancestral primates, when in actuality, lemurs did not give rise to monkeys and apes, but evolved independently.
1_Apprentice
Or more! It's just so fascinating to me - at one point my daughter wanted to be a marine biologist - I would have loved that career.