[31/10, 2:26 PM] آلِ مصطفیٰ☪: In living plants, callus cells are those cells that cover a plant wound [31/10, 2:27 PM] آلِ مصطفیٰ☪: Plantlets are young or small clones, produced on the leaf margins or the aerial stems of another plant. Many plants such as spider plants naturally create stolons with plantlets on the ends as a form of asexual reproduction. Vegetative propagules or clippings of mature plants may form plantlets.[31/10, 2:39 PM] آلِ مصطفیٰ☪: Both binary fission and multiple fission are asexual reproduction and occur with the presence of only one parent. In binary fission, the parent cell divides itself into two equal and identical daughter cells. ... In multiple fission, a single parent cell is divided into many daughter cells.[31/10, 6:48 PM] آلِ مصطفیٰ☪: Angiosperms are plants that produce flowers and bear their seeds in fruits. They are the largest and most diverse group within the kingdom Plantae, with about 300,000 species.[31/10, 6:52 PM] آلِ مصطفیٰ☪: Petals attract the insects for pollination. and to protect the reproductive organs which are the centre of the flower. All the petals taken together are called COROLLA. The function of Sepals is to protect the flower in its initial stages when it is in the form of a bud.[31/10, 7:28 PM] آلِ مصطفیٰ☪: Fusion is the process by which uninuclear cells combine to form a multinuclear cell. This process is also known as cell fusion. Gene fusion is the formation of a hybrid gene from two separate genes.[31/10, 7:41 PM] آلِ مصطفیٰ☪: The prostate gland is a male reproductive organ whose main function is to secrete prostate fluid, one of the components of semen. ... Though prostate fluid is slightly acidic, another fluid in semen made by the seminal vesicles leaves semen slightly alkaline, or basic.[31/10, 7:41 PM] آلِ مصطفیٰ☪: The seminal vesicle and the prostate glands add their secretions so that the sperm are in a fluid which makes their transport easier and this fluid also provides nutrition.[31/10, 7:42 PM] آلِ مصطفیٰ☪: The prostate and the seminal vesicles produce fluid that nourishes the sperm. This fluid provides most of the volume of semen, the fluid in which the sperm is expelled during ejaculation. Other fluid that makes up a very small amount of the semen comes from the vas deferens and from Cowper glands in the urethra.​