A Complete Collection of 100000 Whys
Fav十万个为什么
为什么种子能发芽？
1、种子内部含有胚胎植物，这是发芽的基础，胚胎植物包含未来的根、茎和叶。
2、种子需要充足的水分来激活内部的酶，这些酶能够分解储存的营养物质，为发芽提供能量。
3、适宜的温度是种子发芽的关键，温度过高或过低都会影响酶的活性，从而影响发芽过程。
4、充足的阳光和空气中的二氧化碳是植物进行光合作用的必要条件，光合作用为植物生长提供能量。
5、土壤中的营养物质和微生物帮助种子更好地吸收和利用水分和养分，促进发芽和生长。
总之，种子能发芽是因为它具备了生长的基础条件，包括内部的胚胎植物、充足的水分、适宜的温度、阳光和空气，以及土壤中的营养物质和微生物的支持。
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