Define the following terms: flower, sepals, petals, stamens, pistil.
Flower: shoot bearing sporophylls (stamens, carpels)
Sepals: leaf like, green, protect bud
Petals: leaf like, non green, bright
Stamens: filament + anther
Pistil: 1 or more carpels consisting of stigma + style + ovary
Sepals: leaf like, green, protect bud
Petals: leaf like, non green, bright
Stamens: filament + anther
Pistil: 1 or more carpels consisting of stigma + style + ovary
Tags: angiosperms, flower, petals, pistil, sepals, stamens
Quelle:
Quelle:
What did sepals evolve from? Petals? Stamens? Carpels?
Sepals: Modified leaves
Petals: modified leaves OR stamens that lost sporangia
Stamens: reduced microsporophylls OR branches with terminal sporangia
Carpels: folded megasporophylls
Petals: modified leaves OR stamens that lost sporangia
Stamens: reduced microsporophylls OR branches with terminal sporangia
Carpels: folded megasporophylls
Tags: angiosperms, evolution, flowers, sepals, stamens
Quelle:
Quelle:
Kartensatzinfo:
Autor: zeestree
Oberthema: Biology
Thema: Flowers and Fruits
Schule / Uni: University of Hawaii at Manoa
Ort: Honolulu
Veröffentlicht: 20.04.2010
Schlagwörter Karten:
Alle Karten (15)
advanced (1)
angiosperms (10)
asteraceae (1)
classification (1)
definition (1)
dehiscent (1)
dry (1)
eudicots (1)
evolution (3)
fleshy (1)
floral symetry (1)
flower (1)
flowers (6)
fruits (2)
indehiscent (1)
infloresence (1)
monocot (1)
orchidaceae (1)
outcrossing (1)
ovary position (1)
petals (1)
pistil (1)
pollination (1)
protandry (1)
protogyna (1)
sepals (2)
stamens (2)
trends (1)
