The stem growing tip is nestled within the cotyledons and is pulled through the soil in a germinating bean seed (dicot) whereas the coleoptile surrounds the growing tip in germinating corn (monocot) seeds. Both strategies protect the delicate growing tip.

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In dicots like beans, the growing tip is protected by cotyledons as it pushes through the soil, while in monocots like corn, the coleoptile, a protective sheath, surrounds and protects the growing tip during germination.

The Stem Growing Tip Is Nestled Within the Cotyledons and Is