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How Do Seeds Travel?
种子是怎么传播的?
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Plants need to spread seeds so new ones can grow.植物需要传播种子,以便长出新植株。
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Some seeds have wings or fluff to float on wind.有些种子长有翅膀或绒毛,能随风飘散。
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Dandelion seeds fly like tiny parachutes.蒲公英种子像微型降落伞一样飞行。
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Others stick to animal fur or human clothes.另一些种子则粘在动物皮毛或人的衣服上。
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Burrs have tiny hooks that catch on fabric.苍耳等带钩刺的果实能钩住织物。
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Some fruits are sweet and colorful to attract animals.有些果实香甜多彩,以吸引动物。
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Animals eat the fruit and drop seeds far away.动物吃下果实后,将种子排到远处。
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Coconuts float on water and travel long distances.椰子能漂浮在水面上,远距离传播。