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Definition
| a flat sheet composed of three thylakoids that extends just under the plastid envelope in some stramenopiles |
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| the side view (lateral) of diatoms |
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Definition
| filamentous or pseudoparenchymatous morphology of phaeophyceans; can be either simple heterotrichy, heterotrichous with mucilage, or crust |
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| the attachment structure of the kelps |
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| the alternation of heteromorphic generations (exhibited by Cutieriales, Chordariales, and Laminariales) |
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| the flagella of phaeophycean and other stramenopiles, with one long flagellum with tripartite hairs, and one short smooth flagellum |
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Definition
| having a filamentous body consisting of both an erect and a flat prostrate (attached) system |
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Definition
| a cell of multicellular structure that functions in attachment to a substrate (similar to haptera) |
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| in diatoms, the hypovalve plus the hypocingulum; (the bottom of the frustule in girdle view) |
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Definition
| in fleshy brown algae, particularly Laminariales, a surface layer of cells (epidermis) that is capable of dividing |
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Definition
| a form of nutrition in which both autotrophy and heterotrophy may be utilized, depending on the availability of resources |
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| water that is low in nutrients, such as phosphate and combine nitrogen, and consequently low in primary productivity and biomass, but high in species diversity; typically Chrysophycea, Diatoms, and Desmids are common in this habitat |
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Definition
| a form of nutrition in which particles such as cells are ingested by protists via invagination of the cell surface |
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| diatoms with marks arranged bilaterally, with or without a raphe, few elongated plastids, and exhibiting conjugation |
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Definition
| a photosynthetic reserve of some stramenopiles |
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Definition
| the alternation of isomorphic generations (exhibited by Ectocarpales and Dictyotales) |
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Definition
| the meristematic growth of Laminariales in which new growth begins under the older growth |
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Definition
| when two groups, such as Tribophyceae and Chlorophyceae evolve together but develop characteristics that separate them |
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| female reproductive structure |
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Definition
| the life cycle of Fucales, in which there is no alternation of generations and gametes are produced by gametic meiosis |
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Definition
| growth that is localized to specific cells or areas |
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Definition
| an alcohol type of food storage, non-solid, in Phaeophycean algae. Used as "antifreeze" to allow algae to live in colder habitats |
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Definition
| an organism that uses organic carbon for growth |
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Definition
| a small hole or opening through which algae release their mature spores |
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Definition
| an erect sterile filament occurring among the reproductive structures of algae |
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| structure found within Laminariales algae |
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| aka alginic acid; cellulose fibers taht make up the cell walls of phaeophyceae |
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Definition
| members of the aukaryotic supergroup Alveolata..."with cavities" --> major line of protists |
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Definition
| haploid structure or organ producing and containing male gametes |
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Definition
| a motile male gamete of a plant such as an alga or fern or gymnosperm; produced in antheridium |
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Definition
| pennate diatoms without raphe; araphid diatoms first to appear in fossil record; marine |
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Definition
| organism responsible for "Texas Brown Tide"; Genus Pelagophyceans; coccoid and monadoid forms |
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Definition
| a cell produced by diatoms that undergoes enlargement, compensating for the reduction in size that often occurs during population growth; zygote becomes an auxospore in diatoms |
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Definition
| cannot synthesize organic compounds therefore lives in a habitat where they have access to nutrients |
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| the bottom of a sea or lake |
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| a type of algal body in which cells are arranged in flat sheets (Laminariales) |
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Definition
| plant polysaccharide used in the hardening or thickening of plant cell walls; functions in formation of cell plate, plasmodesmata, tracheids, and root hairs |
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Definition
| of or relating to diatoms of the class Centrales, distinguished by their radially symmetrical form |
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| portion of photosynthetic stramenopiles where the thylakoids and girdle lamella are located |
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| result of single secondary endosymbiosis from red alga; most are autotrophic |
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Definition
| eukaryotic supergroup, probably polyphyletic. Includes all algae whose chloroplasts contain chlorophylls a and c; surrounded by 4 membranes |
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| carbohydrate food reserve used by phytoplankton |
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Definition
| a cavity that contains the reproductive cells of some algae (esp. Fucus) |
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| the life history of fucales... also monophasic |
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| virtually any cell is capable of cell division; a type of growth that does not involve a localized point of cell division. (esp. Ectocarpus) |
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| "DA"; the neurotoxin which causes anmesic shellfish poisoning (ASP, associated with certain harmful algal blooms (excreted by the algae Pseudonitzschia) |
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Definition
| In diatoms, the epivalve plus epicingulum; also the top of a diatoms frustule in girdle view |
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Definition
| the unpleasant odor and taste given off by the Chrysophycean algae Uroglena and Dinobryon |
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Definition
| the hard and porous cell wall or external layer of diatoms |
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Definition
| xanthophyll found as accessory pigment in in the chloroplasts of brown algae and most other heterokonts giving them a brown or olive-green color |
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Definition
| also called the cingulum; the region of overlap of the two halves of diatom frustules |
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Definition
| a large float containing gas found in brown algae. An organism may have more than one. |
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| relating to plankton- Floating in the open sea rather than living on the seafloor |
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| arranged in several rows or series; true parenchymatous morphology or structure |
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Definition
| A reproductive particle released by an organism that may germinate into another |
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Definition
| In diatoms, a slit in the valve face that allows the cell to move along a substrate |
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Definition
| a fertile area of a fleshy body in which reproductive structures develop |
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Definition
| A series of cells joined end to end, forming a tube through which nutrients are conducted in flowering plants and brown algae. |
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Definition
| pores in the plant cell walls that facilitate the movement of liquid. |
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Definition
| major component of diatom's frustule |
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Definition
| a small group of unicellular heterokont algae, found in marine environments.They are planktonic marine chromists that are both photosynthetic and heterotrophic. |
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Definition
| a spore-producing structure in certain lichens and fungi |
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Definition
| In certain algae, an internally formed spore in its resting stage |
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Definition
| replacement of a stem in algae, like having a holdfast instead of roots |
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Definition
| algae with chlorophyll a and c (sometimes fucoxanthine) and heterokont flagella |
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Definition
| releases chemicals from the cell |
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Definition
| phenol tannins that give a bitter taste (used as protection) |
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Definition
| in brown algae, a reproductive structure that is subdivided by cell walls into numerous small chambers, each of which produces a single flagellate cell |
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Definition
| phenol that gives off a bitter taste |
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Definition
| a type of growth in brown algae where active cell division occurs in an intercalary position in a stack of short cells located at the base of filaments |
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Definition
| in brown algae, a sporangium in which all the spores are produced within a single compartment, usually by meiosis |
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Definition
| the top, usually flat, portion and view of a diatom |
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Definition
| a HAB, formed from Aureombra,that isn't harmfulto humans, but doesn't allow sunlight to penetrate the water column, and therefore doesn't allow much life in the water |
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Definition
| juvenile filamentous stage in the sporophytic generation that can multiply itself by spores (found in Haplogloia) |
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Definition
| in Vaucheria, formed when many zoospores fuse together to form one big zoospore |
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Definition
| in Chrysophyceaen (golden) algae- the silica walled resting stage (also called a statospore) |
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