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Biology, 08.04.2020 17:37 khalilh1206

Which of these structures contains a male gametophyte? A pine life cycle. Each letter marks a definite structure of this cycle. Letter A marks a structure that gives rise to and contains female reproductive cells. Letter B marks a part of the inner structure of the ovule. Letter C marks a big cell in the ovule. Letter D marks a round structure in the outer layer of the integument. Letter E marks a small structure formed in a microsporangium. A B C D E

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