Asexual and sexual reproduction of ferns alternate with each other. Sporophytes are asexual ferns, gametophytes are sex ferns. Asexual reproduction occurs at the expense of sporangia, which develop on the lower part of the fern leaf. Disputes form in them. They spill out onto the soil. In favorable conditions, they germinate. Sexual reproduction occurs when an outgrowth (gametophyte) forms. Both female and male genitals are formed on it. Fertilization requires water. Usually one zygote becomes an embryo, which germinates.
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