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| − | A '''seed''' is an embryonic [[plant]] enclosed in a protective envelope called the seed coat with some food. Seeds are the climax of the reproductive process of both [[gymnosperm]]s and [[angiosperm]]s and is the product of a fertilized ovule that ripened and grew to some extant within the mother plant, usually inside a [[fruit]]. |
+ | A '''seed''' is an embryonic [[plant]] enclosed in a protective envelope (called the seed coat) with some food. Seeds are the climax of the reproductive process of both [[gymnosperm]]s and [[angiosperm]]s and is the product of a fertilized ovule that ripened and grew to some extant within the mother plant, usually inside a [[fruit]]. |
Seeds represent a colossal development in the evolution of plants that gives gymnosperms and angiosperms a fair advantage over their primitive counterparts, [[fern]]s, [[moss]]es and [[liverwort]]s for instance, who require to be in a wet environment to complete their reproductive cycle. Seeds proved to be a key factor in the colonization and domination of angiosperms and gymnosperms in biological niches on land, be it in wet or dry, cold or hot climates. |
Seeds represent a colossal development in the evolution of plants that gives gymnosperms and angiosperms a fair advantage over their primitive counterparts, [[fern]]s, [[moss]]es and [[liverwort]]s for instance, who require to be in a wet environment to complete their reproductive cycle. Seeds proved to be a key factor in the colonization and domination of angiosperms and gymnosperms in biological niches on land, be it in wet or dry, cold or hot climates. |
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Revision as of 17:02, 7 December 2009
A seed is an embryonic plant enclosed in a protective envelope (called the seed coat) with some food. Seeds are the climax of the reproductive process of both gymnosperms and angiosperms and is the product of a fertilized ovule that ripened and grew to some extant within the mother plant, usually inside a fruit.
Seeds represent a colossal development in the evolution of plants that gives gymnosperms and angiosperms a fair advantage over their primitive counterparts, ferns, mosses and liverworts for instance, who require to be in a wet environment to complete their reproductive cycle. Seeds proved to be a key factor in the colonization and domination of angiosperms and gymnosperms in biological niches on land, be it in wet or dry, cold or hot climates.
The word "seed" is often abusively used in everyday speech to refer to anything that can be sown to produce a new plant, including sunflower "seeds", "seeds" of corn or "seed" potatoes, for instance. In each case, the word is wrongly used, as the seeds of both sunflower and corn are located inside the "seed" sown, while in the case of potatoes, the correct term is a tuber.