Rastlinne organy Flashcards

1
Q

co je organ rastlin

A

ucelena cast rastlinneho tela specializovana na urcitu funkciu

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2
Q

co zvycajne tvoria organy

A

subor krycich, vodivych a zakladnych pletiv

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3
Q

pocas coho sa postupne formovali organy raslin

A

prechod z vodneho prostredia na suchozemske

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4
Q

co je predchodca organu rastlin

A

telomy(konariky) primitivnych ryniorastov

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5
Q

od kedy boli zname primitivne ryniorasty a do kedy sa zachovali

A

zname uz z vrchneho siluru a zachovane ako relikty do prvej polovice devonu

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6
Q

co sa postupne fukncnym a tvarovym rozlisenim vyvinulo z telomov ryniorastov

A

vegetativne a generativne organy vyssich rastlin

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7
Q

ako sa volaju najjednoduchsie suchozemske org bez pravych organov a co sa u nich vyvinulo(4)

A

stielkate rastliny, ich telo zo stielky(thallus) s pakorienkami (rhizoidy), pabylka (kauloid), palistky(fyloidy)

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8
Q

co bol dosledok prisposobovania sa suchozem podmienkam v stavbe rastlin

A

vznik cievnatych rastlin s telom, ktore tvori kormus a pravymi organmi-koren, stonka, list, kvet

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