十万个为什么·科学阅读30篇(5)
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How Do Seeds Travel?
种子是怎么传播的?
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Plants send seeds far away so new plants can grow safely.植物将种子传播到远处,以便新植株能安全生长。
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Some seeds stick to animal fur using tiny hooks or glue.有些种子依靠微小的钩刺或黏液附着在动物皮毛上。
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Others fly on wind with wings, fluff, or light bodies.另一些种子则借助翅膀、绒毛或轻盈的身体随风飘散。
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Coconut seeds float on ocean water for weeks or months.椰子种子能在海水中漂浮数周甚至数月。
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Birds eat berries and drop seeds in new places later.鸟类吞食浆果,随后将种子排泄到新的地方。
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Squirrels bury nuts and forget some, letting them sprout.松鼠埋藏坚果,却遗忘部分,使其得以发芽。
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Explosive pods snap open and shoot seeds into the air.爆裂豆荚猛然弹开,将种子弹射到空中。
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Each method fits the plant’s home and survival needs.每种传播方式都契合植物的栖息环境与生存需求。