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The Ocean Floor
The Ocean Floor

... The continents lie on the continental plates. The edges of these plates are under water, and they form the continental shelves. These shelves slope outward very gently towards the ocean depths. In some places these shelves go out a long way, up to 900 miles: In other places the shelves are much narr ...
oceans - Sir C R R College
oceans - Sir C R R College

... This involves the spreading of ocean-floor on either side of the mid-oceanic ridges (huge mountain chains buried under ocean water) and creation of new crust at the spreading centers. ...
one world ocean
one world ocean

... • The Earth is believed to be 4.6 billion years old • During the Earth’s formation, heavy (dense) metals such as iron and nickel gravitated towards the hot center in a molten state • At the same time, ...
Chapter 4: Marine sediments
Chapter 4: Marine sediments

... Neritic sediments cover about ¼ of sea floor Pelagic sediments cover about ¾ Distribution controlled by  Proximity to sources of lithogenous sediments  Productivity of microscopic marine organisms  Depth of water  Sea floor features ...
here - University of Queensland
here - University of Queensland

... Institute (GCI) Professor Ove HoeghGuldberg, who has made a life study of our oceans and marine life. “With only a tiny fraction of the world’s population ever having scuba dived, not many people have seen our beautiful ‘underwater cities’, nor have they been able to appreciate how the reefs are cha ...
Plankton - Cabrillo Marine Aquarium
Plankton - Cabrillo Marine Aquarium

THE OCEAN FLOOR
THE OCEAN FLOOR

Part 1 - cosee now
Part 1 - cosee now

... The theory of evolution is connected to the origins of energy and matter. Life began on Earth once the conditions became suitable. Life has the ability to adapt to many different conditions and stresses. There are some basic parameters that scientists use to separate life from non-life. Primary prod ...
Chapter 5: Marine Sediments
Chapter 5: Marine Sediments

... 9. What are several reasons that diatoms are so remarkable? List the products that contain or are produced using diatomaceous earth. Diatoms are microscopic, photosynthetic organisms with ornate cell walls. They reproduce both sexually and asexually, they exist as individual cells or colonial organi ...
Marine discharge
Marine discharge

... increases mortality of organisms surviving primary entrainment passage. Critical factors affecting entrainment include the seasonal occurrence and density of entrainable organisms in intake waters, as well as the sizes, life stages and susceptibility of entrained organisms to injury during inplant p ...
Diapositiva 1 - European Multidisciplinary Seafloor and
Diapositiva 1 - European Multidisciplinary Seafloor and

... EMSO will instigate a change of direction in ocean and earth science as it will provide truly global geophysical and oceanographic coverage for a multidisciplinary investigation of deep-sea processes through permanent monitoring of key areas around Europe. EMSO will allow to understand - the environ ...
Chapter 3: The Physical Setting
Chapter 3: The Physical Setting

... Sound speed 4% (table of mean sound speed  1%) Hill regions  shallower depths off to the side Ship position Schools of marine zooplankton or fish  remapping Gaps ...
Oceans of Fun
Oceans of Fun

EUROPEAN COMMISSION Brussels, 13.9.2012
EUROPEAN COMMISSION Brussels, 13.9.2012

... the blue economy. These include Ireland's INFOMAR6 programme for mapping marine resources and the refurbishing of the Bremerhaven port to meet the needs of manufacturers and suppliers in the offshore wind industry. The €8 billion MOSE project currently under construction, is aimed at protecting the ...
Blue Growth - Marinebiotech
Blue Growth - Marinebiotech

... the blue economy. These include Ireland's INFOMAR6 programme for mapping marine resources and the refurbishing of the Bremerhaven port to meet the needs of manufacturers and suppliers in the offshore wind industry. The €8 billion MOSE project currently under construction, is aimed at protecting the ...
Preview Sample 1
Preview Sample 1

... One of the major pieces of evidence for his theory is the discovery of mid-ocean ridge system in the ocean basins. These ridges are a continuous chain of submarine volcanoes and geologic activity is concentrated around these areas. At these ridges, oceanic crust is separating as molten rock flows fr ...
PDF > Chapter 9
PDF > Chapter 9

... of i n t e r e s t i n g s u b s t a n c e s t h a t c o u l d p r o v i d e us with the medications of the future. Some of these agents hav e a l r e a dy bee n a p p ro v e d a s d ru g s . R e s e arc h on primordial organisms c an reveal both how d i s eases occ ur a nd how th e y c a n b e tre ...
- National Defence College
- National Defence College

... rope, textiles and hazardous materials, such as munitions, asbestos and medical waste. Marine debris may result from activities on land or at sea and is a complex cultural and multi-sectoral problem that exacts tremendous ecological, economic, and social costs around the globe. The Blue Economy – Op ...
Chapter 4 Marine Sedimentation
Chapter 4 Marine Sedimentation

... Deep-sea Sedimentation has two main sources of sediment: external- terrigenous material from the land and internal-biogenic and authigenic from the sea. ...
Environmental Problems
Environmental Problems

... ocean surface waters – Melting of land glaciers and ice caps – Thermal expansion of deep-ocean waters © 2011 Pearson Education, Inc. ...
APES Lesson 77 (5th Ed) - Marine and Coastal Ecosystems
APES Lesson 77 (5th Ed) - Marine and Coastal Ecosystems

... nets while fishing for another species; "thousands of dolphins and porpoises and whales are killed as part of the by-catch each year" ...
1 One of the most important aspects of understanding ocean life is
1 One of the most important aspects of understanding ocean life is

... bottom of the ocean food chain. Variations in the abundance, location, and type of plankton affects almost all other marine life. They are also very sensitive to abiotic factors in the ocean, particularly nutrients brought up from depth as a result of upwelling. As such, they are indicators of the a ...
full spreading rate
full spreading rate

... mid-ocean ridges (Figure 6). Moreover, the stripes on one side of a mid-ocean ridge are symmetrically matched to others of similar width and polarity on the opposite side. Figure 6 A modern map of symmetrical magnetic anomalies about the Atlantic Ridge (the Reykjanes Ridge), south of Iceland. (Adapt ...
News of the Northeast Pacific Ocean
News of the Northeast Pacific Ocean

... News of the Northeast Pacific Ocean  by William Crawford, Skip McKinnell and Howard Freeland Surface temperature of the Northeast Pacific Ocean is still in a cool era that began in 2006 and was interrupted only briefly in 2010. Lower temperatures over the past six years are coincident with mostly La ...
Do_You_Know_Where_You_Are.doc
Do_You_Know_Where_You_Are.doc

... What two states are missing from this map? _________________________ and ________________________ Color these important states on the map: New York, California, Florida, Michigan, Maine. If you want to fly to Florida for vacation, what direction must you go? _________________ Michigan is ___________ ...
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Marine biology



Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy. Marine biology differs from marine ecology as marine ecology is focused on how organisms interact with each other and the environment, while biology is the study of the organisms themselves.A large proportion of all life on Earth lives in the ocean. Exactly how large the proportion is unknown, since many ocean species are still to be discovered. The ocean is a complex three-dimensional world covering about 71% of the Earth's surface. The habitats studied in marine biology include everything from the tiny layers of surface water in which organisms and abiotic items may be trapped in surface tension between the ocean and atmosphere, to the depths of the oceanic trenches, sometimes 10,000 meters or more beneath the surface of the ocean. Specific habitats include coral reefs, kelp forests, seagrass meadows, the surrounds of seamounts and thermal vents, tidepools, muddy, sandy and rocky bottoms, and the open ocean (pelagic) zone, where solid objects are rare and the surface of the water is the only visible boundary. The organisms studied range from microscopic phytoplankton and zooplankton to huge cetaceans (whales) 30 meters (98 feet) in length.Marine life is a vast resource, providing food, medicine, and raw materials, in addition to helping to support recreation and tourism all over the world. At a fundamental level, marine life helps determine the very nature of our planet. Marine organisms contribute significantly to the oxygen cycle, and are involved in the regulation of the Earth's climate. Shorelines are in part shaped and protected by marine life, and some marine organisms even help create new land.Many species are economically important to humans, including food fish (both finfish and shellfish). It is also becoming understood that the well-being of marine organisms and other organisms are linked in very fundamental ways. The human body of knowledge regarding the relationship between life in the sea and important cycles is rapidly growing, with new discoveries being made nearly every day. These cycles include those of matter (such as the carbon cycle) and of air (such as Earth's respiration, and movement of energy through ecosystems including the ocean). Large areas beneath the ocean surface still remain effectively unexplored.
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