35.2:

The Angiosperm Life Cycle

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生物学
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JoVE 核 生物学
The Angiosperm Life Cycle

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02:39 min

February 27, 2020

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AngiospermPlantsFlowering PlantsFruiting TreesGrassesVegetablesLife CycleSporophyte StageGametophyte StageSporesMale GametesFemale GametesReproductive Flower OrgansCarpelsOvaryOvulesMegasporesMegasporangiumMegasporocyteEmbryo SacMicrosporesAnthersMicrosporangiaPollen GrainTube CellGenerative CellStigmaPollen TubeDouble-fertilizationSperm