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樹可以長到多高？ - 瓦倫汀 · 哈姆迪
1,469,983 views |
瓦倫汀 · 哈姆迪 |
TED-Ed
• March 2019
Read transcript
觀看完整課程：https://ed.ted.com/lessons/how-tall-can-a-tree-grow-valentin-hammoudi 加利福尼亞紅杉可以高過 100 公尺，在全球 60,000 個樹種之中出類拔萃。但即便是這種龐然大物也有他們的極限：紀錄上最高只達到 130 公尺。究竟是什麼原因，讓他們不能無止境地長高？瓦倫汀 · 哈姆迪研究調查了為何樹木有高度極限。 講授者：瓦倫汀 · 哈姆迪 導播：道格 · 亞伯茨
nature
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biology
trees
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