Term
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Definition
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Term
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Definition
| the 0 to 150m depth zone, seaward of the shelf-slope break |
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Term
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Definition
| organisms livinf suspended in the water column and incapable of moving against water currents |
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Term
| nutritional modes of plankton |
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Definition
-autotrophs: able to fix carbon
-heterotrophs: consumers
-mixotrophs: autotrophic and heterotrophic |
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Term
| organisms spending all their life in the water column ad not on or in the seabed |
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Definition
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Term
| organisms that spend part of their time in the plankton but also time in the benthos |
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Definition
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Term
| plankton that live at surface, but protrude into air |
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Definition
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Term
| plankton associated with the water surface |
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Definition
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Term
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Definition
prokaryotes
-first to evolve oxygenic photosynthesis
-Chlorophyll a
-phycobillins = accessory pigments |
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Term
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Definition
| cyanobacteria, haptophyte, dinoflagellates, diatoms |
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Term
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Definition
-eukaryotes
-Chlorophyll a and c, fucoxanthin
-pair of flagella present at some stage in life cycle
-coccoliths (“hubcaps”) formed from calcium carbonate
-major players in carbon cycle |
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Term
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Definition
-2 flagella
-cell wall -> cellulose
-Chlorophyll a and c, peridinin (= typical)
-phototrophic, heterotrophic, mixotrophic, kteptoplastidic |
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Term
-Diatoms
-single-celled eukaryote
-~40% of all carbon fixed in the ocean
-diatoms = fish
-chlorophyll a and c, fucoxanthin
-silica impregnated cell wall -> glass houses |
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Definition
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Term
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Definition
| weight of organism – weight of water / (surface resistance) (water viscosity) |
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Term
| is light-induced reduction in the photosynthetic capacity of a plant, alga or a cyanobacterium. |
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Definition
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Term
| cell division but low standing crop, takes into account grazing and sinking |
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Definition
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Term
| the amount of living material per unit area or volume; may be expressed as grams or carbon, total dry weight, and so on |
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Definition
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Term
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Definition
| viruses, filter feeder, predators, herbivores, bacterivores |
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Term
| Liebig’s Law of the Minimum |
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Definition
| growth of a photoautotroph is limited by one nutrient |
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Term
| carbon from the air combines with H2O and such |
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Definition
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Term
| photic, disphotic, aphotic |
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Definition
| light, some light, very light light |
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Term
| characteristics of chordates |
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Definition
single, hollow nerve cord (dorsal length)
-gills (or pharyngeal) slits
-notochord- flexible rod -> support between nerve cord and gut
-post-anal tail |
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Term
| three groups of chordates |
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Definition
-Tunicates (subphylum Urochordata)
-bluebell tunicate
-ascidians
-Lancelets (subphylum Cephalochordata)
-Vertebrates (subphylum Vertebrata) |
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Definition
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Definition
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Definition
agnatha (jawless fish)
-Chondrichthyes (sharks and rays)
-Osteichthyes (bony fish) |
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