Ugalketa 2 a
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Transcript of Ugalketa 2 a
![Page 1: Ugalketa 2 a](https://reader030.fdocuments.es/reader030/viewer/2022020710/5595237c1a28abc3318b4604/html5/thumbnails/1.jpg)
UGALKETA-FUNTZIOA
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Ugalketa
Ugalketa asexuala
Ugalketa sexuala
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Bizi-zikloa
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2.Ugalketa asexuala animalietan
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SEXU BIDEZKO UGALKETA,
ANIMALIETAN
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Banakoen sexua
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sexubakarrak
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hermafroditak
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•Kanpo ernalketa:
•Barne ernalketa:
4. ERNALKETA
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5. ENBRIOI-GARAPENA
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ObiparoakObiparoak
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BibiparoakBibiparoak
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ObobibiparoakObobibiparoak
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6.Enbrioi-aldiaren osteko garapena
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8. UGALKETA ASEXUALA
LANDAREETAN
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7. Landareen bizi-zikloa
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UGALKETA BEGETATIBOA
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ESTOLOIAK
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ERRABOILAK
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TUBERKULUAK
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ESPORA BIDEZKO UGALKETA
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9.Sexu bidezko ugalketa landare hazidunetan
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1.Loreen egitura
2.Polinizazioa
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Ernalketa, eta enbrioien eta hazien eratze-prozesuan
• Gameto maskulinoak eta femeninoak bat egiten dutenean.
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Fruituen eratze-prozesua eta fruitu motak
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Haize sakabanatzea eta ernalketa
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10.Ugalketaren eraginkortasuna10.Ugalketaren eraginkortasuna
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10.Sexu bidezko ugalketaren alde onak eta txarrak