Some seeds require that the seed coat be partially digested or decayed before germination will occur. This process of altering the seed coat to permit germination is called

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Scarification refers to the process of weakening, opening, or otherwise altering the seed coat to encourage germination. This can occur naturally through processes such as passing through an animal's digestive system or artificially through mechanical or chemical means.

Some Seeds Require That the Seed Coat Be Partially Digested