A Complete Collection of 100000 Whys
Fav十万个为什么
为什么树木能长高？
1、树木通过光合作用制造养分，利用阳光、水和二氧化碳合成葡萄糖，为生长提供能量。
2、树木的根系深入土壤，吸收水分和矿物质，这些是树木生长的必需物质。
3、树木的茎和枝通过细胞分裂和伸长不断生长，使树木变高。
4、树木的激素调节生长，如生长素促进细胞伸长，赤霉素促进细胞分裂。
5、树木每年都会形成新的生长层，在树干上留下年轮，记录生长过程。
总之，树木能长高是因为它们能高效利用光能和土壤资源，通过细胞分裂和激素调节，不断积累养分和生长，最终实现高度增长。
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