alge - marko petrović - danijela veljković
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Takmičenje na portalu www.nasaskola.net"biramo najbolju lekciju"februar 2012. godine,Alge, Biologija, Marko Petrović, Danijela Veljković,Gimnazija AleksinacTRANSCRIPT
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1.Alge 1.Alge1.Alge
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Modrozelene Alge (Cyanobacteria)
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Modrozelene algeModrozelene alge
Primitivna svojstvaPrimitivna svojstvaProkariotski tip organizacijeProkariotski tip organizacijeBez pokretnih stadijuma u Bez pokretnih stadijuma u ciklusu razvicaciklusu razvica
Bez polnog nacina Bez polnog nacina razmnozavanjarazmnozavanja
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MorfologijaMorfologija
jednocelijski,kolonijalni,trihjednocelijski,kolonijalni,trihalni stupanj organizacijealni stupanj organizacije
Koncasti talusiKoncasti talusiLazno parenhimske kolonijeLazno parenhimske kolonije
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KlasifikacijaKlasifikacija
Oko 150 rodova I 2000 vrstaOko 150 rodova I 2000 vrsta
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NostocNostoc
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AnnabenaAnnabena
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RivulariaRivularia
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GleocapsaGleocapsa
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OscilatoriaOscilatoria
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Crvene algeCrvene algeRodophytaRodophyta
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5.000 i 6.000 recentnih 5.000 i 6.000 recentnih vrsta vrsta
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KlasifikacijaKlasifikacija
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PorphyraPorphyra
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RhodochornRhodochorn
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GelidiumGelidium
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CorallinaCorallina
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BatrachospermumBatrachospermum
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Zelene alge(Chlorophyta)
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7500-10000 vrsta,oko 500 rodova u 7500-10000 vrsta,oko 500 rodova u 36 porodica36 porodica
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Chlorella Chlamydomonas
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Kolonijalne
Scenedesmus Hydrotiction
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Pokretna kolonijaVolvox
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Koncaste
Ulotrix Spyrogira
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Mougeotia Zygnema
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Listast
Ulva
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Granat
Caulerpa Acetabularia
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Euglene alge Euglene alge (Euglenophyta)(Euglenophyta)
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SistematikaSistematika
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EuglenaviridisEuglenaviridis PhacusPhacus
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TrachelomonasTrachelomonas
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Mrke alge (Phaephyta)Mrke alge (Phaephyta)
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KlasifikacijaKlasifikacija
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EctocarpusEctocarpus PhacusPhacus
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SargassumSargassum MicrocystisMicrocystis
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NereocystisNereocystis DictyotaDictyota
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PadinaPadina CytoseiraCytoseira
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Silikatne alge-Dijatomeje Silikatne alge-Dijatomeje (Bacillariophyta)(Bacillariophyta)
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KlasifikacijaKlasifikacija
Postoji vise predlozenih klasifikacija Postoji vise predlozenih klasifikacija prema razlicitim kriterijumima,ali su prema razlicitim kriterijumima,ali su glavni-morfologija pancira I oblik I glavni-morfologija pancira I oblik I struktura rafestruktura rafe
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1. Grupa-centrophyceae1. Grupa-centrophyceae- Melosira-- Melosira-
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2. Grupa-Pennatophyceae2. Grupa-Pennatophyceae
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NaviculaNavicula GomphonemaGomphonema
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CymbellaCymbella SynedraSynedra
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CoccneisCoccneis