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angela i marko

angela i marko. REKA.

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angela i marko

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  1. angela i marko REKA

  2. REKAReka je velikiprirodnivodotok.Odizvora do usća u drugu reku,jezero ili more,reke primaju vodu od pritoka i svojim tokom stvaraju rečno korito.Postoje ravničarske i planinske reke.Ravničarske reke teku kroz široke doline,imaju široka recna korita i teku sporo.Planinske reke teku kroz planinske predele.Zbog predela kroz koja teku,imaju duboke rečne doline, veliki pad i brzinu.

  3. ribe • Ribe su vodeni kičmenjaci. Postoji preko 27.000 vrsta riba, što ih čini najvećom grupom kičmenjaka. Za kretanje im služe parna i neparna peraja. Dišu škrgama, a srce im ima jednu pretkomoru i jednu komoru i kroz njega protičekrv. Najrazvijeniji deo mozga je mali mozak.

  4. Žalosna vrba • Žalosna vrba je drvo srednje visine povijenih grana sa svetlo zelenim uskim listovima. Podnosi vlažno tlo i dobro podnosi sadnju na podvodnim terenima.Naj česće rastu pored reka.

  5. slika žalosne vrbe

  6. HVALA NA PAŽNJI

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