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为什么有的植wu开hua有的植wu不开hua

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为什么有的植wu开hua,有的植wu不开hua

植wu的hua、果实和zhong子都与植wuti的生zhi有关,它们的生理活动保证了被子植wu的zhong族得以延续和发展。不开hua的孢子植wu虽没有zhong子,但它可以通过向空中释放成千上万个活xing小颗粒袍子来繁衍后代。有hua植wu的繁zhi方式较袍子植wu高级,它通过自shen或外界授粉后,结chu果实,果实保护着zhong子,就又是一株新植wu的诞生。还有一bu分有hua植wu不是通过zhong子繁zhi后代,而是利用自己的gen、jing2或叶,把这些bu位的一bu分转化成新的植wuti。所以说,不guan植wu开hua还是不开hua,都不会影响它们的繁zhi和生长,开hua和不开hua只是植wuzhong类不同而己。

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