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Org ny c vnat ch rostlin

Rostlinn orgny. jsou dvojho druhuvegetativn: koren, stonek, list - zajituj vivu a rust rostliny = jej preitreprodukcn: tycinky, plodolisty (=kvet) - zajituj rozmnoovn. Koren. 1. zakotven rostliny v zemi2. prjem H2O a minerlnch ltek3. ukldn zsobje vdy neclnkovan

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Org ny c vnat ch rostlin

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    1. Orgny cvnatch rostlin 2008

    2. Rostlinn orgny jsou dvojho druhu vegetativn: koren, stonek, list - zajituj vivu a rust rostliny = jej preit reprodukcn: tycinky, plodolisty (=kvet) - zajituj rozmnoovn

    3. Koren 1. zakotven rostliny v zemi 2. prjem H2O a minerlnch ltek 3. ukldn zsob je vdy neclnkovan a neolisten. U nekterch epifytu a vodnch rostlin se koren nevytvr. U dvoudelonch a nahosemennch nachzme jeden hlavn koren, ze kterho vyrustaj bocn, tzv. laterln koreny. U jednodelonch koreny netloustnou a jsou vechny stejne dlouh.

    4. Allorhizie a homorhizie Jev, pri kterm maj dvoudelon a nahosemenn hlavn a laterln koreny nazvme allorhizie, pri popisu korenu jednodelonch mluvme o homorhizii.

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