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A seed is the ripened ovule of gymnosperm or angiosperm plants. The importance of the seed relative to more primitive forms of reproduction and dispersal is attested to by the success of these two groups of plants in dominating the landscape.

Seed structure


A seed contains the embryo from which a new plant will grow under proper conditions. It also contains a supply of stored food and is wrapped in the seed coat or testa. The stored food begins as a tissue called endosperm derived from the parent plant. Endosperm becomes rich in oil or starch, and protein. In some species, the embryo is embedded in the endosperm, which the seedling will use upon germination. In others, the endosperm is absorbed by the embryo as the latter grows within the developing seed, and the cotyledons of the embryo become filled with this stored food. At maturity, seeds of these species have no endosperm. Some common plant seeds that lack an endosperm are bean, pea, oak, walnut, squash, sunflower, and radish. Plant seeds with an endosperm include all conifers and most monocotyledons (e.g. grasses and palms), and also e.g. brazil nut, castor bean.

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Looking at ordering a lot of fruit, seeds and nuts to make my own trail-mix-y snacks. =) On another note...3 more shows left! WAHOOOO
kattykyt (Vikki Hughes) Thu, 10 Dec 2009 06:52:46 -0000
Looking at ordering a lot of fruit, seeds and nuts to make my own trail-mix-y snacks. =) On another note...3 more shows left! WAHOOOO
@Zoeyjane @hummingbird604 Not really, though I find small seeds and hard nuts a little, uh, uncomfortable with the intestinal issues. :)
penmachine (Derek K. Miller) Thu, 10 Dec 2009 02:08:59 -0000
@Zoeyjane @hummingbird604 Not really, though I find small seeds and hard nuts a little, uh, uncomfortable with the intestinal issues. :)
Zinc is a wonderful antioxidant mineral which supports immunity and hormonal health. Get yours from seafood, fish and raw nuts and seeds.
nutritionguru1 (Dora Walsh) Thu, 10 Dec 2009 00:17:45 -0000
Zinc is a wonderful antioxidant mineral which supports immunity and hormonal health. Get yours from seafood, fish and raw nuts and seeds.
@punkbright I usually eat something with more fiber--oatmeal with flax seeds and nuts (and honey) is a favorite.
bandedgirl (The Girl) Thu, 10 Dec 2009 00:04:07 -0000
@punkbright I usually eat something with more fiber--oatmeal with flax seeds and nuts (and honey) is a favorite.
RT @katecorder: take seeds from fruit you eat and nuts/seeds from trees plant any where you can and watch them grow over time they will ...
ketan (Ketan Majmudar) Wed, 09 Dec 2009 23:49:26 -0000
RT @katecorder: take seeds from fruit you eat and nuts/seeds from trees plant any where you can and watch them grow over time they will ...
@UglyDani lol..could throw in some seeds and a couple nuts... just for protine!!
KTottZ (Kate Totten) Wed, 09 Dec 2009 18:59:07 -0000
@UglyDani lol..could throw in some seeds and a couple nuts... just for protine!!

 
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