十万个为什么·科学阅读30篇(3)
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How Do Seeds Travel Long Distances?
种子如何远距离传播?
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Plants cannot walk, but their seeds move far away.植物不能行走,但种子可以传播到很远的地方。
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Some seeds have wings or fluff to catch the wind.有些种子长有翅膀或绒毛,可借助风力传播。
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Others stick to animal fur with tiny hooks.另一些种子则靠微小的倒钩附着在动物皮毛上。
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Birds eat berries and drop seeds in new places.鸟类吃下浆果,再将种子排泄到新的地方。
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Coconuts float on ocean water for weeks.椰子能在海水中漂浮数周。
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Ants carry small seeds underground to store food.蚂蚁将小型种子搬入地下储存为食物。
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This helps plants grow in new areas without crowding.这有助于植物在不拥挤的新区域生长。
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Seed travel is key to plant survival and forest growth.种子传播对植物生存和森林繁衍至关重要。