the pigmentation of the seed coat

例句：

1. 1.The pigmentation of the seed coat is essential for the plant's survival.
   种子壳的着色对于植物的生存至关重要。
2. 2.The study of seed coat pigmentation can help us understand how plants adapt to their environment.
   研究种子壳着色可以让我们了解植物如何适应环境。
3. 3. The color of the seed coat plays a crucial role in determining the plant's genetic makeup.
   种子壳的颜色在决定植物的遗传构成中起着关键作用。