Seed - Wikipedia
In botany, a seed is a plant embryo and food reserve enclosed in a protective outer covering called a seed coat (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 zygote ...
Seed | Form, Function, Dispersal, & Germination | Britannica
Oct 11, 2024 · 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? Definition, Function, Structure and Components
Aug 31, 2023 · Definition, Function, Structure and Components. 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 …
What Is a Seed? - New York Botanical Garden
Apr 2, 2021 · 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.
seed - Kids | Britannica Kids | Homework Help
A seed contains a miniature plant, called an embryo, that can develop into a fully grown plant. The outer shell of a seed, called a seed coat, protects the embryo. Inside the seed a nutritious material provides food to the embryo. In flowering plants this material is called endosperm.
5.4: Seeds - Biology LibreTexts
Jan 30, 2024 · A seed is a flowering plant's unit of reproduction and has all the materials needed to develop into another plant. Seeds have three main parts: an embryo, a seed coat (testa), and the endosperm (cotyledon; Figure \(\PageIndex{2}\)). The function of each of these parts is very specific: Seed coat (testa): The outer layer that surrounds the seed ...
Seed Definition and Examples - Biology Online Dictionary
Jul 28, 2021 · Definition. noun, plural: seeds. (botany) An encapsulated plant embryo; a fertilized ovule of a plant. Supplement. A seed is a fertilized ovule containing the plant embryo. Given the appropriate growth conditions, it will become the new plant.
9.1: Seed Morphology - Biology LibreTexts
Jul 27, 2022 · Basic seed morphology. Seeds have three main functions: Propagation of the plant. This is accomplished by the embryo, which is the nascent (new, young) plant resulting from the combination of genes from the male sperm, transmitted by the pollen, to the female egg, held in an ovule in the ovary.
9.9: Seed Plants - Biology LibreTexts
As shown in Figure below, a seed consists of at least three basic parts: the embryo, seed coat, and stored food. The embryo develops from a fertilized egg. While still inside the seed, the embryo forms its first leaf (cotyledon) and starts to develop a stem (hypocotyl) and root (radicle).