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In a flowering plant reproduction is sexual and is carried out by seeds. The flower is the organ responsible for the reproduction of the plant. Its various constituents have different and specific functions that, together, allow the reproduction of the plant, that is, allow the joining of female and male sex cells to give rise to the egg or zygote, the first cell of the new being. Support organs (The receptacle and the peduncle support the entire flower); Protective organs (The corolla - set of petals and the calyx - set of sepals, protect the reproductive organs); Reproductive organs (The carpels - set of female organs and the stamens - set of male organs, are responsible for plant reproduction); the Anthers (they are made up of small sacs full of pollen grains that give rise to male sex cells. The oosphere, the female sex cell, is located in the ovaries).