<P> A flower , sometimes known as a bloom or blossom , is the reproductive structure found in flowering plants ( plants of the division Magnoliophyta , also called angiosperms ) . The biological function of a flower is to effect reproduction , usually by providing a mechanism for the union of sperm with eggs . Flowers may facilitate outcrossing ( fusion of sperm and eggs from different individuals in a population ) or allow selfing ( fusion of sperm and egg from the same flower ) . Some flowers produce diaspores without fertilization ( parthenocarpy ) . Flowers contain sporangia and are the site where gametophytes develop . Many flowers have evolved to be attractive to animals , so as to cause them to be vectors for the transfer of pollen . After fertilization , the ovary of the flower develops into fruit containing seeds . </P>
<P> A flower , sometimes known as a bloom or blossom , is the reproductive structure found in flowering plants ( plants of the division Magnoliophyta , also called angiosperms ) . The biological function of a flower is to effect reproduction , usually by providing a mechanism for the union of sperm with eggs . Flowers may facilitate outcrossing ( fusion of sperm and eggs from different individuals in a population ) or allow selfing ( fusion of sperm and egg from the same flower ) . Some flowers produce diaspores without fertilization ( parthenocarpy ) . Flowers contain sporangia and are the site where gametophytes develop . Many flowers have evolved to be attractive to animals , so as to cause them to be vectors for the transfer of pollen . After fertilization , the ovary of the flower develops into fruit containing seeds . </P>
what is the most important role of the flowers in a plant
what is the most important role of the flowers in a plant
effect reproduction
effect reproduction