Biology / Bio 2619 · Atom · ~20 seconds
Seed Structure and Monocot/Dicot Storage Strategy
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A seed contains an embryo, seed coat, and reserves; per Bio 2201, monocots store reserves in endosperm absorbed by one cotyledon, the scutellum, while dicots move reserves into two cotyledons.
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A peanut's two halves are cotyledons loaded with reserves from digested endosperm.
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Monocot seeds are always endospermic; dicot seeds split into endospermic and non-endospermic types by where reserves end up stored.