seed (biology)

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• Seed — A seed Audio IPA|en us seed.ogg|/ˈsiːd/ (in some plants, referred to as a kernel) is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and… …   Wikipedia

• seed and fruit — ▪ plant reproductive part Introduction       respectively, the characteristic reproductive (reproductive system, plant) body of both angiosperms (flowering plants) and gymnosperms (conifers, cycads, and ginkgos) and the ovary that encloses it.… …   Universalium

• Seed dispersal — is the movement or transport of seeds away from the parent plant. Plants have limited mobility and consequently rely upon a variety of dispersal vectors to transport their propagules, including both abiotic and biotic vectors. Seeds can be… …   Wikipedia

• Seed predation — includes any process inflicted on a plant’s seeds by an animal that results in the inviability of the seed. Generally this refers to the consumption and digestion of the seed, but also includes the parasitization of seeds by insect larvae (Janzen …   Wikipedia

• Seed hibernation — is different from seed dormancy. While seed dormancy can be defined as a seed not germinating when conditions, e.g. light, water/nutrient availability or the presence of activating substances like smoke, are favourable , hibernation is the… …   Wikipedia

• biology — /buy ol euh jee/, n. 1. the science of life or living matter in all its forms and phenomena, esp. with reference to origin, growth, reproduction, structure, and behavior. 2. the living organisms of a region: the biology of Pennsylvania. 3. the… …   Universalium

• Seed-and-Soil-Theorie — Die Seed and Soil Theorie (von engl. seed = ‚Saat‘ und soil = ‚Ackerboden‘) ist eine Theorie aus dem Gebiet der Onkologie. Die Seed and Soil Theorie liefert ein Erklärungsmodell für die Metastasierung (Absiedlung) von Tumorzellen eines… …   Deutsch Wikipedia

• Topic outline of biology — Biology is the study of living organisms. It is concerned with the characteristics, classification, and behaviors of organisms, how species come into existence, and the interactions they have with each other and with the environment. Biology… …   Wikipedia

• List of biology topics — Biology is the study of life and its processes. Biologists study all aspects of living things, including all of the many life forms on earth and the processes in them that enable life. These basic processes include the harnessing of energy, the… …   Wikipedia

• Hybrid (biology) — In biology and specifically, genetics, the term hybrid has several meanings, all referring to the offspring of sexual reproduction.[1] In general usage, hybrid is synonymous with heterozygous: any offspring resulting from the mating of two… …   Wikipedia

• Outline of biology — See also: Index of biology articles The following outline is provided as an overview of and topical guide to biology: Biology – study of living organisms. It is concerned with the characteristics, classification, and behaviors of organisms, how… …   Wikipedia