Rasprostiranje plodova i semena
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Rasprostiranje plodova i Rasprostiranje plodova i semenasemena
Damnjanović Ivana
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Nakon sazrevanja plodova i semena,biljka ih rasprostire Najčešće padaju ispod same biljke ili blizu
nje
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Biljka razvija različite mehanizme kako bi seme stiglo što dalje od one biljke koja ga je obrazovala
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Samorasprostiranje plodova i Samorasprostiranje plodova i semenasemena
Samorasprostiranje obavlja sama biljka Biljke koje obrazuju mešak, mahunu,
čahuru
Mešak(božur)
Mahuna(boranija)
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Mak
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Čahura tatule
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Rasprostiranje pomoću posrednikaRasprostiranje pomoću posrednika
Vetar Voda Životinje Čovek- Na ovaj način semena dospevaju daleko od
roditeljske biljke
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Rasprostiranje plodova i semena vetrom
Lagani plodovi i semena Često imaju dodatke u obliku krila, dlačica
Kineska lampa Javor
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Rasprostiranje semena i plodova Rasprostiranje semena i plodova životinjamaživotinjama
Sočni plodovi sadrže hranljive materije i životinje ih koriste u ishrani
Kada pojedu i svare plod, neoštećeno seme izbace izmetom
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Rasprostiranje preko krzna životinja
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Rasprostiranje semena i plodova pomoću vode
Plodovi koji se raznose vodom ne propuštaju vodu, ispunjeni su vazduhom, uljem (ne mogu da potonu)
Kokos
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Rasprostiranje plodova i semena Rasprostiranje plodova i semena dejstvom čovekadejstvom čoveka
Namerno rasprostiranje plodova i semena Različite vrste biljaka se gaje na svim
kontinentima
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U Evropu iz Amerike su preneti krompir, paradajz, kukuruz
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