A Complete Collection of 100000 Whys
Fav十万个为什么
为什么种子能在地下生长？
1、种子在地下能生长是因为它们在土壤中找到了适宜的温度、湿度和空气，这些条件有助于种子的萌发。
2、土壤中的养分，如氮、磷、钾等，为种子的生长提供了必需的营养物质，支持其发育。
3、地下环境可以保护种子免受外界恶劣天气和害虫的侵害，提高了种子的存活率。
4、种子的外壳具有保护作用，可以防止水分流失和外部环境的伤害，直到条件适宜时才破裂。
5、地下环境中的微生物，如细菌和真菌，可以帮助分解有机物质，为种子提供更易吸收的营养。
总之，种子能在地下生长是因为地下环境提供了温度、湿度、养分和保护的理想条件，这些因素共同促进了种子的萌发和发育。
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