Algat
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Transcript of Algat
![Page 1: Algat](https://reader030.fdocument.pub/reader030/viewer/2022012309/5872566e1a28ab852f8b8507/html5/thumbnails/1.jpg)
ALGAT
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5 Mbretëritë – klasifikimi i qenieve të gjalla
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ALGATOrganizma eukariot -Talofite
-Pjesët e ngjashme: *rrënjët-rizoidet*kërcellin-kauloid*gjethe-filoidet
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-Ngjyrat e algave burojnë nga pigmentet
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Algat
-Organizma bimor me ndërtim të thjeshtë, bimë të ulëta - talofite
-Ushqehen në mënyrë autotrofe
Muri qelizor: - celuloza - mureini (gjendet
vetëm tek algat dhe bakteret)
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SHUMIMI
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NOSTOKU
Mund të shihet me sy
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RËNDËSIA
-Krijojnë materie organike që përdoren për ushqim
-Gjatë kalbjes krijojnë materie helmuese
-Lidhin azotin nga atmosfera dhe pastrojnë tokën
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Algat e Kuqe (Rhodophyta)
- Ndër grupet më të vjetra të algave eukariote- Fikoeritrini – pigmenti- Jodi
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SHUMIMI
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- rreth 5,000 lloje
- thithin ngjyrën e kaltër dhe gjelbër – fotosinteza në thellësi
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Batrakospermumi – ujërat e ëmbla
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Rëndësia
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Algat e Murrme (Phaeophyta)
• Shumica janë detare
• Fukoksantina – pigmenti, maskon klorofilin
• Forma të ndryshme trupore
• Madhësia: deri në 70 metra
• Rreth 1500 – 2000 lloje
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SHUMIMI
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Rëndësia
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Algat Silikate (Bacillariophyta)
• Algat më të përhapura -
• Verdhë në të murrme: klorofil, karrotinë, fukoksantinë
• 100,000 lloje
• Jetojnë në ujëra të ëmbla, të njelmëta, shkëmbinjë, akull, etj.
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Muri qelizor përshkohet nga silici
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SHUMIMI
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Rëndësia
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Algat e Gjelbra (Chlorophyta)
• 7,000 - 12,000 lloje
• Pigmentet: klorofil, karrotinë, ksantofil
• Mur qelizor dyshtresorë
• Autotrofe; grumbullimi i amidonit
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Jetojnë në ujëra të ëmbla dhe të njelmëta dhe në tokë (përfshirë shkretëtirat)
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Simbioza: Algat + Kërpudhat = Likenet
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SHUMIMI
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Rëndësia
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