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3. Deblo SEMENOVKE (Spermatophyta)

3. Deblo SEMENOVKE (Spermatophyta)

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Kritosemenke – skupne značilnosti<br />

• od vseh rastlin so najbolj razvite;<br />

• imajo pravo steblo, liste, korenine in celo<br />

cvet;<br />

• semenska zasnova je obdana s plodnim<br />

listom in je zato skrita v plodnici;<br />

• prevladujejo zeliščne vrste, veliko pa je<br />

tudi drevesnih in grmovnih vrst;<br />

• prevladuje diploidna (2n) faza, haploiden<br />

gametofit je močno zakrnel in se razvije<br />

šele v času zrelosti spolnih celic;

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