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Samenvatting Plantkunde L5 - Ingevulde studeertips & woordenlijst $5.96   Add to cart

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Samenvatting Plantkunde L5 - Ingevulde studeertips & woordenlijst

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Plantkunde: L5 - Zaadplanten - Ingevulde studeertips & woordenlijst

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  • June 23, 2023
  • 15
  • 2022/2023
  • Summary
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Instuderen hoofdstuk 5 : zaadplanten
A. Enkele vragen aangaande de leerstof

1. Weten wat vaatplanten zijn.
 Aanwezigheid v vaatbundels
 Bouw:
o Houtvaten: transport v water & mineralen
o Zeefvaten: transport v organisch sap

2. Het transport in xyleem en floëem kunnen beschrijven.
Xyleem: transport v water & mineralen  van wortels naar
bladeren ⬆️
Floëem: transport v organisch sap  door fotosynthese
aangemaakt
 via floëem naar alle andere
delen vd plant ↕️




Houtvate
n:Water &
mineralen




Zeefvate
n:
Organisch
sap
(suiker)




1

, 3. Weten wat sporenvorming/zaadvorming is.
Sporenvorming
 Spore  ongeslachtelijke voortplanting
 = gespecialiseerde voortplantingscel
 bevat bijna geen reservestoffen ↔️ zaden
 Bij fungi & sommige planten (vb mossen en varens)
 Microscopie sporendoosje!

Zaadvorming
Zaad  geslachtelijke voortplanting (eicel + zaadcel)
 = kiem + reservevoedsel
 beperkt aantal ↔️ zeer veel sporen

4. De zaadplanten kunnen indelen.




5. Informatie kunnen geven over de cycaspalmen.
= cycadophyta
= naaktzadige
 Kleine palmachtige boompjes = varenpalmen (≠ palmvaren  varens)
 Stam  bron v zetmeel (sago)
 N2-fixatie door cyanobacteriën
 Tweehuizig
 Voortplanting:
 Zaadbeginsels aan benedenranden v vruchtbladeren
 Vruchtbladeren ≈ gewone bladeren
 gegroepeerd in kegelachtige structuren




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