Biology The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gaemtophyte called______________? Options:A. OvuleB. SeedC. FruitD. Embroyo sacView AnswerD. Embroyo sac Continue Reading Previous: Oxygen accounts for __________ percent of totals human body mass?Next: _________________ cells of phloem are directly involved in transport of organic solutes?