为什么植物分类上以种子形态来分为裸子植物门和被子植物门,而不是以木本和草本来分? 知乎 Template




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tomski为什么植物分类上以种子形态来分为裸子植物门和被子植物门,而不是以木本和草本来分? 知乎 coloring