| The bottommost, or aphotic, zone is the region of perpetual darkness that lies beneath the photic zone and includes most of the ocean waters. |
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| This area of inky darkness, which occupies the great bulk of the ocean, is called the aphotic zone. |
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| Some animals, especially those in the aphotic zone, generate light to attract prey. |
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| This urge does not necessarily result in novels with nameless characters, mutating typography or unpunctuated attempts to explore the aphotic realm of human consciousness. |
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| Much of the aphotic zone's energy is supplied by the open ocean in the form of detritus. |
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| In general, the deep sea is considered to start at the aphotic zone, the point where sunlight loses its power of transference through the water. |
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| For information on animals that live in the deeper areas of the oceans see aphotic zone. |
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| Extending from the bottom of the photic zone down to the seabed is the aphotic zone, a region of perpetual darkness. |
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| Life forms which inhabit the aphotic zone are often capable of movement upwards through the water column into the photic zone for feeding. |
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| The aphotic zone can be subdivided into three different vertical regions, based on depth and temperature. |
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| According to the generic knowledge on the underwater light level, the sea area was divided into photic and aphotic zones. |
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| The pelagic part of the aphotic zone can be further divided into vertical regions according to temperature. |
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| Above this depth is the euphotic zone, but below it in the aphotic zone phytoplankton the lowest level in the ecological system of a lake cannot survive unless the organisms are capable of vertical migration. |
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| Animals and decomposers are found in both the photic and aphotic zones. |
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| Zones which vary by the amount of light they receive include the photic and aphotic zones. |
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| Luv U Mate also talked about the aphotic zone, the point where sunlight loses its power of transference through the water as summarized by Cameron. |
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| Aphotic zone carbonate production on a Miocene ramp Central Apennines, Italy. |
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