The horizontal movement of water, or a property of water through such movement (e.g., temperature change through the movement of water).
Advection
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Reworking of the sediment by waves and currents.
Aggradation
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A collection of animals or plants gathered or clustered together.
Aggregation
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The simplest plants; maybe single-celled (such as diatoms) or quite large (such as seaweeds). Live in salt or fresh water and on land.
Algae
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The process through which species arise while separated geographically.
Allopatric Speciation
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The part of the water column where light does not penetrate.
Aphotic Zone
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(of a fish such as the salmon) migrating up rivers from the sea to spawn
anadromous
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Gently dipping seabed surface comprised of sediment found at the base of a slope; commonly the product of slumping (sediment failure) of a steep slope.
Apron
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A neutral substitute for “community” but implying no necessary interrelationships among species; also called species assemblage.
Assemblage
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without air' and refers to the body producing energy without oxygen.
anaerobic
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a class of marine invertebrates which includes the sea anemones, stony corals and soft corals
Anthozoa
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the opposite of depressions - they are an area of high atmospheric pressure where the air is sinking.
anticyclonic
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a carbonate mineral, one of the three most common naturally occurring crystal forms of calcium carbonate, CaCO 3. present in shells of pteropods/ heteropods and coral skeletons
aragonite
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a decrease in the energy of light due to the adsorption and scattering in the water column
attenuation
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reproductive cell in diatoms usually resulting from the union of two smaller cells or their contents and associated with rejuvenescence in cells that have become progressively smaller because of repeated divisions.
auxospore
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requiring a specific growth substance beyond the minimum required for normal metabolism and reproduction by the parental or wild-type strain auxotrophic mutants of bacteria.
auxotrophic
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Other cards in this set
Card 2
Front
water column between 4000m - 6000m
Back
Abyssopelagic
Card 3
Front
water column between 2000m - 6000m
Back
Card 4
Front
The horizontal movement of water, or a property of water through such movement (e.g., temperature change through the movement of water).
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