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photic zone
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Zonation of the ocean. The open ocean, the pelagic zone, includes all marine waters throughout the globe beyond the continental shelf, as well as the benthic, or bottom, environment on the ocean floor. Nutrient concentrations are low in most areas of the open ocean, and as a result this great expanse of water contains only a small percentage of all marine organisms. Far below the surface in the midocean ridges of the abyssal zone, deep-sea hydrothermal vents supporting an unusual assemblage of organisms—including chemoautotrophic bacteria—occur.
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Chutes d'Ekom - a waterfall on the Nkam river in the rainforest near Melong, in the western highlands of Cameroon in Africa.
Ecosystems
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A large school of mano (sharks) called Galapagos sharks at Maro Reef in the Papahanaumokuakea Marine National Monument. Galapagos shark (Carcharhinus galapagensis)a worldwide species of requiem shark, family Carcharhinidae.
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Rusty patched bumble bee (Bombus affinis) photographed in the Midwest in 2017. endangered species insect pollination
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Model of global ocean currents and temperatures
How Do Ocean Currents Affect the Biosphere?
algae. Lake Erie. Dead fish in harmful algal bloom along the southeast Lake Erie shore of Pelee Island, Ontario, Canada, 5 miles north of the international line Aug. 19, 2011. Toxic algae blooms, drinking water, 4th largest of 5 Great Lakes
Harmful Algal Blooms
Star fish entangled in gillnet
Talking Ocean Trash: Ghost Gear Keeps on Fishing
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World Data Locator Map: Australia
Is Australia an Island?
An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses
Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics
10 Greatest Baseball Players of All Time
Shadow of a man holding large knife in his hand inside of some dark, spooky buiding
7 of History's Most Notorious Serial Killers
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
Ten Days That Vanished: The Switch to the Gregorian Calendar
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.
12 Greek Gods and Goddesses

photic zone: References & Edit History

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Article added to new online database. Jul 20, 1998
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