Phytoplankton
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| these organisms form the base of major food webs in coastal and open ocean environments | phytoplankton
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| phytoplankton are called "____ plants" | drifting
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| phytoplankton are made up of what? | single cells or chains of cells; may have flagellae
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| what taxa of phytoplankton is prokaryotic? | cyanobacteria
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| diatoms and dinoflagellates are... | photosynthetic
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| light energy is absorbed by what pigments? | photosynthetic
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| all phytoplankton contain what sort of chlorophyll? | chlorophyll a
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| two photosynthetic pigments to remember are... | chlorophyll a (chl a) and phycoerythrin (PE)
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| chl a fluoresces what color under blue light? | red
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| phycoerythrin (PE) fluoresces what color under green light? | orange
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| whats the smallest of the plankton, but numerous (100,000 cells per milliliter or more)? | picoplanktonic cyanobacteria
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| two species of picoplanktonic cyanobacteria that are most common in the open ocean are... | prochlorococcus and synechococcus
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| prochlorococcus contains what type of chlorophyll? | chl a
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| synechococcus contains what type of chlorophyll? | chl a and phycoerythrin
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| what type of cyanobacteria is macroscopic (easily visible), looks like sawdust on the water, fix atmospheric nitrogen, are colonial (buoyant), and are common in tropical oceans? | trichodesmium
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| what type of cyanobacteria is productive in coastal oceans, have silica cell walls, and grow best in well-mixed water columns? | diatoms
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| what tripe of cyanobacteria are motile, can migrate vertically, and grow best in stratified water columns? | dinoflagellates
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| some special dinoflagellates are... | bioluminescent
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| what causes (3) dinoflagellates to bioluminesce? | 1. mechanical stimulation 2. chemical stimulation 3. temperature stimulation
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| bioluminescence: a chemical reaction by which light is produced involves a substrate called ____ and an enzyme called ____ which are sequestered in pockets of the vacuolar membrane | luciferin and luciferase
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| the skeletal plates of coccolithophores are made up of? | CaCO_3
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| what are jelly-like colonies that clog nets and cause big problems on beaches in Europe and create food-web alterations? | phaeocystis
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| cryptophytes contain... | phycoerythrin
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| green algae thats most common in freshwater, estuarine systems or as coastal macrophytes are called... | chlorophytes
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| oceanic forms of chlorophytes may contribute to the ____ population. | picoeukaryote
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Created by:
rachelaurenk
Popular Marine Sci Tech 1 sets