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oosphere
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oosphere

plant anatomy
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The Information Architects of Encyclopaedia Britannica

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The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • magnolia fruit and seeds
    seed
    / Gymnosperm seeds

    …organs) develop, each containing an oosphere (“egg”). The pollen tube ultimately penetrates the neck of one of the archegonia. Not until the second growing season, however, does the nucleus of one of the male cells in the tube unite with the oosphere nucleus. Although more than one archegonium may be…

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    …organs) develop, each containing an oosphere (“egg”). The pollen tube ultimately penetrates the neck of one of the archegonia. Not until the second growing season, however, does the nucleus of one of the male cells in the tube unite with the oosphere nucleus. Although more than one archegonium may be…

    Read More