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Feb 2, 2023 · A seed is a structure that encloses the embryo of a plant in a protective outer covering. Under favorable conditions of growth, a seed gives rise to a new plant, using the nutrients stored in them. The union of the male and female reproductive cells inside the ripened ovule of a flower helps in the formation of seeds in a plant. Different seeds ...
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Structure of Seed. Definition of Seed: A true seed is defined as a fertilized mature ovule that possesses embryonic plant, stored material, and a protective coat or coats. Seed is the reproductive structure characteristic of all phanerogams. The structure of seeds may be studied in such common types of pea, gram, bean almond or sunflower.
- Seed
- Seed Germination
- Seedling
- Adult Plant
- Pollination
The life cycle of a flowering plant begins with a seed. It has a protective outer covering called the shell. Inside the shell contains the baby plant or the developing embryo and the endosperm that contains reserve food. The endosperm nourishes the embryo with necessary food and water during its development. Seeds are dispersed or spread in various...
Next, the planted seeds germinate, forming a seedling. The four key environmental factors necessary for seed germination are oxygen, water, sunlight, and appropriate growth temperature. When all these four factors are ideal, the seeds sprout to form a seedling. Initially, the rootpushes its way through the seed coat and starts growing downwards int...
After successful germination, a delicate, young plant called the seedling starts making its way out of the ground towards sunlight. As it grows, the seedling derives all its essential nutrients from the soil through its roots. The growing plant traps sunlight with the help of a pigment called chlorophyll. These pigments, which are found in their le...
The process of photosynthesis allows the young, developing plant to grow into an adult plant gradually. A fully mature plant consists of roots, stems, and leaves. The roots derive nutrients and water from the soil, while the stemcarries them to the leaves. The leaves perform photosynthesis to prepare food in the form of carbohydrates. In a flowerin...
A fully mature flowering plant now participates in reproduction, which occurs by pollination. Pollination is when pollens are picked from the anther of a flower and transferred to the stigma of the same or different flower. Various pollinating agents, such as bees, butterflies, insects, birds, and animals, including humans, perform pollination. Whe...
Within the protective coating of a seed lies an intricate world waiting to be explored. Understanding the inner workings of a seed is key to unlocking the secrets of plant growth and reproduction. A seed diagram provides a visual representation of the internal structure of a seed.
Jul 27, 2022 · The process results in a seed, but the embryo in the seed isn’t the result of sex — the fusion of male and female gametes. All of the progeny are identical to the parent because the embryo is actually a clone (genetically identical offspring) of the plant on which the seed is produced. Kentucky bluegrass reproduces this way, as does dandelion.
Oct 11, 2024 · seed, the characteristic reproductive body of both angiosperms (flowering plants) and gymnosperms (e.g., conifers, cycads, and ginkgos).Essentially, a seed consists of a miniature undeveloped plant (the embryo), which, alone or in the company of stored food for its early development after germination, is surrounded by a protective coat (the testa).
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The growth of the plant from a seed is known as germination. A seed has three parts: Seed Coat; Endosperm; Embryo; Seed Coat. A seed coat protects the internal parts of a seed. The seed coat has two layers. The outer layer is thick and known as the testa. The inner layer is thin and known as tegmen. A thick seed coat protects the seed from ...