Ovule example sentences

Unlike the gymnosperms where the ovules are naked, in the angiosperms or flowering plants, the pollen grains and ovules are developed in specialised structures called flowers.Within ovules are present highly reduced female gametophytes termed embryosacs.Pistil consists of an ovary enclosing one to many ovules.The pollen tube carrying the male gametes grows towards archegonia in the ovules and discharge their contents near the mouth of the archegonia.The pollen grain germinates and pollen tube releases the male gamete into the ovule, where it fuses with the egg cell in archegonia.The gymnosperms are the plants in which ovules are not enclosed by any ovary wall.Following fertilisation, zygote develops into an embryo and the ovules into seeds.The pollen grains germinate on the stigma and the resulting pollen tubes grow through the tissues of stigma and style and reach the ovule.They are carried in air currents and come in contact with the opening of the ovules borne on megasporophylls.Within the ovule is the female gametophyte or embryo sac which contains the egg cell.During these events the ovules develop into seeds and the ovaries develop into fruit.The nucellus is protected by envelopes and the composite structure is called an ovule.The ovules are borne on megasporophylls which may be clustered to form the female cones.The pistil consists of an ovary enclosing one to many ovules.Following fertilisation, the zygote develops into embryo and the ovules into seeds.