Seed - Wikipedia
In botany, a seed is a plant embryo and nutrient reserve enclosed in a seed coat, a protective outer covering called a testa. More generally, the term "seed" means anything that can be sown, which may include seed and husk or tuber. Seeds are the product of the ripened ovule, after the embryo sac is fertilized by sperm from pollen, forming a ...
What is a seed? Definition, Function, Structure and Components
2023年8月31日 · A seed is the small, matured reproductive structure produced by plants, typically containing an embryo or young plant inside. Seeds are a crucial part of a plant’s life cycle as they serve as a means of reproduction and dispersal. They contain all the necessary nutrients and genetic information to develop into a new plant under suitable conditions.
Seed | Form, Function, Dispersal, & Germination | Britannica
4 天之前 · Seed, the characteristic reproductive body of both angiosperms and gymnosperms. Essentially, a seed consists of a miniature undeveloped plant (the embryo), which, alone or in the company of stored food, is surrounded by a protective coat. Learn more about seed characteristics, dispersal, and germination.
What Is a Seed? - New York Botanical Garden
2021年4月2日 · So what is a seed? The seed is the embryonic stage of the plant life cycle. Most seeds consist of three parts: embryo, endosperm, and seed coat. The embryo is a tiny plant that has a root, a stem, and one or more leaves. The endosperm is the nutritive tissue of the seed, often a combination of starch, oil, and protein.
Seed Definition - Discover the meaning of seed, its types and …
A seed is a mature ovule that comprises an embryo or a miniature undeveloped plant and food reserves, all enclosed within a protective seed coat. Seeds are a way of reproduction for all flowering plants. Every seed is capable of growing into a new plant under proper environmental conditions such as the right temperature, moisture and sunlight.
The Seed: Definition, Types, Seeds, Structure, Videos, Solved
What is the Seed? A seed is a basic part of any plant. The ovules after fertilization, develop into seeds. A seed is made up of a seed coat and an embryo. The embryo is made up of a radicle, an embryonal axis and one (wheat, maize) or two cotyledons (gram and pea). A seed is found inside a fruit which converts into a new plant when we plant it.
seed - Kids | Britannica Kids | Homework Help
Seeds are an important source of food for people and animals. Seeds used for food are often called grains or beans. People also use seeds to make oils, spices, fabric dye, and jewelry. Most plants begin life as seeds. Plants form their seeds inside flowers or cones. In flowering plants a fruit often surrounds the seeds.
Understanding Seeds and Seedling Biology - Penn State Extension
2017年3月9日 · Understanding how seeds germinate and grow into healthy seedlings is critical for successful crop establishment. This is a brief summary of seed and seedling biology and recommendations for producing healthy seedlings. Few decisions are more important to successful vegetable production than choosing the right seed.
What Is A Seed? Seed Basics To Help You Grow Better Plants
2024年10月28日 · A seed is a botanical structure that contains the embryo of the new plant. Most seeds also carry a supply of food for the plant embryo to rely on until it has established a root system and can create energy from photosynthesis. Think of the embryo as a miniature plant stuck at stage 1 in development.
seed summary | Britannica
seed, Reproductive structure in plants that consists of a plant embryo, usually accompanied by a supply of food (endosperm, which is produced during fertilization) and enclosed in a protective coat. Seed production follows pollination and fertilization.