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Alge Alge Alge Navigacijski meni VideoDie RÜCKKEHR der ALGE! - Razor Shark Big Win
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Published in: Science. Full Name Comment goes here. Are you sure you want to Yes No. Algae are a diverse group of aquatic organisms that have the ability to conduct photosynthesis.
Certain algae are familiar to most people; for instance, seaweeds such as kelp or phytoplankton , pond scum or the algal blooms in lakes.
However, there exists a vast and varied world of algae that are not only helpful to us, but are critical to our existence. The term "algae" covers many different organisms capable of producing oxygen through photosynthesis the process of harvesting light energy from the sun to generate carbohydrates.
These organisms are not necessarily closely related. However, certain features unite them, while distinguishing them from the other major group of photosynthetic organisms: the land plants.
Primarily, algae are not highly differentiated in the way that plants are, according to the authors of " Algae: Anatomy, Biochemistry, and Biotechnology, 2nd Ed.
That is to say, they lack true roots, stems and leaves, and a vascular system to circulate water and nutrients throughout their bodies.
Second, many algae are unicellular, according to a article published in the journal Current Biology. They also occur in a variety of forms and sizes.
They can exist as single, microscopic cells; they can be macroscopic and multicellular; live in colonies; or take on a leafy appearance as in the case of seaweeds such as giant kelp.
Picoplankton are between 0. Lastly, algae are found in a range of aquatic habitats, both freshwater and saltwater. By virtue of these characteristics, the general term "algae" includes prokaryotic organisms — cyanobacteria , also known as blue-green algae — as well as eukaryotic organisms all other algal species.
These early cyanobacteria were engulfed by primitive plants cells sometime in the late Proterozoic, or in the early Cambrian period, according to the University of California Museum of Paleontology.
Prokaryotes include bacteria and archaea. They provide many vitamins including: A, B 1 , B 2 , B 6 , niacin , and C , and are rich in iodine , potassium , iron, magnesium , and calcium.
Algae are national foods of many nations: China consumes more than 70 species, including fat choy , a cyanobacterium considered a vegetable; Japan, over 20 species such as nori and aonori ;  Ireland, dulse ; Chile , cochayuyo.
Sea lettuce and badderlocks are salad ingredients in Scotland , Ireland, Greenland , and Iceland. Algae is being considered a potential solution for world hunger problem.
The oils from some algae have high levels of unsaturated fatty acids. Fish oil contains the omega-3 fatty acids, but the original source is algae microalgae in particular , which are eaten by marine life such as copepods and are passed up the food chain.
Scientists developed the ATS, which consists of shallow, foot raceways of nylon netting where algae colonies can form, and studied its efficacy for three years.
They found that algae can readily be used to reduce the nutrient runoff from agricultural fields and increase the quality of water flowing into rivers, streams, and oceans.
Researchers collected and dried the nutrient-rich algae from the ATS and studied its potential as an organic fertilizer.
They found that cucumber and corn seedlings grew just as well using ATS organic fertilizer as they did with commercial fertilizers. Various polymers can be created from algae, which can be especially useful in the creation of bioplastics.
These include hybrid plastics, cellulose based plastics, poly-lactic acid, and bio-polyethylene. The alga Stichococcus bacillaris has been seen to colonize silicone resins used at archaeological sites; biodegrading the synthetic substance.
The natural pigments carotenoids and chlorophylls produced by algae can be used as alternatives to chemical dyes and coloring agents.
Carrageenan, from the red alga Chondrus crispus , is used as a stabilizer in milk products. From Wikipedia, the free encyclopedia.
For places called Alga, see Alga disambiguation. For other uses, see Algae disambiguation. Diverse group of photosynthetic eukaryotic organisms.
An informal term for a diverse group of photosynthetic eukaryotes. Temporal range: Mesoproterozoic—present .
Further information: wikispecies:Algae. Main article: Lichen. Main articles: Coral , Coral reef , and Symbiodinium. Main article: Sea sponge.
Further information: Conceptacle. Further information: Seaweed fertiliser. See also: Edible seaweed and Algae powder.
Main articles: Carrageenan and Chondrus crispus. Archived from the original on 7 March Cambridge University Press. Introduction to Botany. San Francisco: Pearson Education, Inc.
The Concise Dictionary of Botany. Oxford University Press. American Journal of Botany. Archived from the original on 27 February Archived from the original on 2 July Retrieved 25 August Farblose Algen.
Ein beitrag zur Evolutionsforschung. Gustav Fischer Verlag, Stuttgart. International Journal of Systematic and Evolutionary Microbiology.
New Phytologist. Bibcode : PNAS.. A Latin Dictionary. Oxford: Clarendon Press. Retrieved 31 December Macmillan Company.
Vashishta Revised by A. Sinha and V. Singh Botany for degree students algae. New Delhi: S. Chand and Company. Plant Physiology.
Archived PDF from the original on 7 February Biology 8 ed. November Trends in Genetics. December PLOS Genetics. Butler, Geraldine ed.
Bibcode : PLoSO Species Plantarum. Impensis Laurentii Salvii. Textbook of Algae. Historia Fucorum. Petersburg: Ex typographia Academiae scientiarum — via Google Books.
Plant Systematics and Evolution : Archived PDF from the original on 5 October Biology of the Rhodophyta.
In Mackay, J. Flora hibernica comprising the Flowering Plants Ferns Characeae Musci Hepaticae Lichenes and Algae of Ireland arranged according to the natural system with a synopsis of the genera according to the Linnaean system.
Algarum unicellularium genera nova et minus cognita, praemissis observationibus de algis unicellularibus in genere New and less known genera of unicellular algae, preceded by observations respecting unicellular algae in general Archived 20 April at the Wayback Machine.
Lipsiae, Apud W. Engelmann, Translation at: Lankester, E. Quarterly Journal of Microscopical Science , , vol. In: Siebold, C.
Zeitschrift für wissenschaftliche Zoologie , Bd. In Littlewood, D. Algae are simple plants that can range from the microscopic microalgae , to large seaweeds macroalgae , such as giant kelp more than one hundred feet in length.
There are more varieties of microalgae, but these are the main ones. Algae can be grown using water resources such as brackish-, sea-, and wastewater unsuitable for cultivating agricultural crops.
External Websites. LiveScience - What Are Algae? IndiaNetzone - Algae. Articles from Britannica Encyclopedias for elementary and high school students.
Ralph A. See Article History. Alternative Titles: Phycophyta, alga, algas. Britannica Quiz.Există alge monocelulare (clorela, claminominada ș. a.) și alge pluricelulare (oscilatoria, ulotriscul, laminaria ș. a.). Dimensiunile lor variază de la miimi de milimetru la zeci de metri. Componența chimică a corpului algelor este în funcție de bazinul de apă (mare, râu, lac, iaz) în care cresc. De regulă, algele populează grosul apei, se dezvoltă pe fundul bazinelor sau pe. Algele (lat. Algae - „iarbă de mare”) constituie un grup diversificat din Regnul Chromista, Regnul Plante dar și unele organisme din Regnul Monera Cuprins 1 Caracteristicile generale ale algelor. Algae are simple plants that can range from the microscopic (microalgae), to large seaweeds (macroalgae), such as giant kelp more than one hundred feet in length. Microalgae include both cyanobacteria, (similar to bacteria, and formerly called “blue-green algae”) as well as green, brown and red algae. König KNOSSI hat gesprochen und wir sind gefolgt. Endlich ist er da! Der Algenschnaps vom offiziellen Musikvideo ALGE von KNOSSI! Jetzt online kaufen! ALGE ALGE ALGE Türhänger Gratisartikel online kaufen bei Warner ✩ Riesige Produkt-Auswahl ✓ Kauf auf Rechnung ➤ Jetzt zugreifen. ALGE ALGE ALGE: Liniertes Notizbuch & Journal | 6"x 9" 15x23cm Seitengröße | Mit Seiten für deine Notizen | Design, ALGE | ISBN: Alge. DAS GETRÄNK ZUM SONG. Algenschnaps. KNOSSI MIX. SÜßIGKEITEN Alge mix. Der Süßigkeiten mix vom König Empfohlen. Alge Mix. Knossi Kasino. Unser Team. Das Buch des Königs. Graziosa M.