'Protective tissue layers' diaporamas de présentation

reproductive differences between gymnosperms and angiosperms: gymnosperms : 1) ovules attached to a megasporophyll

reproductive differences between gymnosperms and angiosperms: gymnosperms : 1) ovules attached to a megasporophyll. - megasporophylls often arranged in a megastrobilus ( ovulate cone ). 2) a) megagametophytes consist of many cells ; b) eggs produced in archegonia.

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