Seeds and fruits are formed by pregnancy. In angiosperms, two structures are formed as a result of double fertilization – the diploid zygote and the triploid main endosperm cell. The zygote develops into an embryo, while the endosperm cell produces an endosperm. It provides nutrients to the developing embryo. Both fruits and seeds are an important part of angiosperms.
Let’s take a closer look at the importance of fruits and seeds.
The following is the importance of seed formation:
Seed and Fruit Construction – Seed Distribution
Reproduction is a biological process in which a young living person is produced by his or her parents. Generally, plants reproduce equally without seed formation or sexual reproduction i.e. seed formation. The parts of plants that are involved in sexual reproduction are called vegetable parts (e.g. leaves, roots, stems) and parts of plants that are involved in sexual reproduction are called reproductive parts (e.g. flower).
Let’s learn how a flower grows into fruit, seeds and different methods of seed dispersal.
Seeds are formed when the fertilized ovule splits with mitosis. It stores food and has the potential to develop into a new plant under ideal conditions.
Fertilization is the process of combining the male gamete with the female gamete to form a zygote. Pollen grains are transmitted openly by various pollinating agents such as water, air, butterflies, insects, animals, birds, etc. After reaching mating, the male gametes mate with an egg in the ovule and form a zygote. Thus fertilization takes place and the zygote is formed and divides and grows into an embryo.
After fertilization, every part of the flower is shed outside the uterus. The flower ovary grows into fruit while the ovules grow into a seed. Seed formation eliminates the reproductive process in plants. Inside the seed, the growing embryo grows and matures.
The following is the importance of fruit formation:
Fruits provide nutrients for growing seeds. Fruits protect the seeds from immature conditions. Seeds serve as important organs for the distribution (units) of plants. Seeds and fruits form specialized resources for dispersing them and thus helping to propagate these species.
Seed formation begins with the union of the male and female gamete: a process known as fertilization. Fertilization, occurs when the male and female gametophytes are fully mature. This usually occurs in a dual-fertilization process known as double fertilization. When pollen grains set in stigma, they germinate by forming a pollen tube, which grows thinner in style, through the micropyle and into the embryo sac, with the nucleus of the tube following the tube apex. The nucleus of the tube breaks down, but two pollen cells enter the embryo sac, one joins the diploid polar nucleus to form the triploid endosperm nucleus and the other joins the egg yolk to form the diploid zygote or fertilized egg.
Plant sex cells are known as gametes. Plants have the sperm and egg cells needed to combine to produce the zygote to form a new plant. The ovary of a plant produces a female egg egg. The sperm cell is sealed with pollen. Plants have two stages of meiotic - haploid cells from male cells and haploid cells from women - forming a new plant diploid. In flowering plants, the male gamete inside the pollen is found in the anther. The male gamete in the anther are large cells that contain a nucleus. These cells pass through the meiotic division, forming tetrads, gametes and gametes - become pollen grains.
