Give a diagrammatic representation of life cycle of Pinus.
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The female and male inflorescence of the pine tree develop as cones on the sporophyte. The female cones (female strobili, singular strobilus) consist of megasporophylls that carry uncovered (Gymno = naked / exposed, hence Gymnosperms) ovules. Inside the ovule the megasporocyte undergoes meiosis, producing four haploid cells. One of these cells survive as a megaspore. The megaspore goes through mitotic divisions and forms a small female gametophyte, in which two or three archegonia are present, each with one egg cell.
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