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When there is water and the temperature is right, the bean seed begins to grow. In the first stage, a small root comes out and begins to grow downwards. In the second stage, a small shoot begins to grow upwards, gets longer and longer until it turns green.
At the same time, the root continues to grow downwards. It becomes the main root and develop side roots on it. In the next stage, the shoot grows longer and develops leaves. Finally, the plant can flower and bear fruit.