24 Powerful Plants-High

Powerful Plants FOCUS Question What are some special ways that plants grow and survive?

植物生长和生存有哪些特殊的方式?

What Is That Plant Doing? Unlike animals, plants can't run, jump, fly, or dig. But they don't just sit around doing nothing! Plants have power. They can make changes to themselves and to the places where they live.

那棵植物在做什么?不像动物，植物不能跑、跳、飞或挖。 但他们不会无所事事地坐着!植物有力量。 他们可以改变自己和他们居住的地方。

Super Strength What is strong enough to break a giant rock? A plant! Roots hold up the plant and help it get water. Sometimes roots grow into small cracks in rock. As the roots grow the rock breaks apart. This begins the slow process of turning rock into soil.

什么东西强大到足以打破一块巨大的岩石? 一种植物!根支撑着植物，帮助它获得水分。 有时根会长成岩石上的小裂缝。 随着根的生长，岩石裂开了。 这就开始了岩石变成土壤的缓慢过程。

Save That Soil! Where does your food grow? In the soil! Plants help make and protect soil. Dead plant parts break down, or decay, and become part of the soil. Now the soil is softer and can hold more water. It's perfect for growing more plants! Wind and water can move soil. But the roots of plants hold the soil together. Wind can't blow the soil away. Rain can't wash it away.

拯救土壤!你的食物生长在哪里? 在土壤里!植物有助于制造和保护土壤。 死亡的植物部分分解或腐烂，成为土壤的一部分。 现在土壤更软，可以容纳更多的水。 它非常适合种植更多的植物!风和水可以移动土壤。 但是植物的根能将土壤保持在一起。 风吹不走土壤。 雨水洗不掉它。

Standing Tall in Strong Winds Wind is no match for some trees. Palm trees can even stay standing during a hurricane. That's because palm trees bend in the wind. The trunk doesn't break. Palm trees also have strong roots that help hold up the trees. Wind can even blow all the leaves, or fronds, off a palm tree. No problem! The palm tree will grow new fronds.

风不是树木的对手。 棕榈树甚至可以在飓风中屹立不倒。 那是因为棕榈树在风中会弯曲。 这个箱子没有坏。棕榈树也有强壮的根，帮助支撑树木。 风甚至可以把棕榈树的叶子都吹掉。 没问题!棕榈树会长出新的叶子。

Chemicals to the Rescue! Some plants call for help when bugs attack. Many caterpillars eat leaves. When they start to eat, certain plants send chemicals into the air. Wasps can smell these chemicals from the plants. The wasps come to eat the bugs that are eating the plants! Other plants make poison when something starts eating them. The animal tastes the poison and stops eating the plants. Plants Call for Help 1 A caterpillar eats a leaf. 2 The plant sends chemicals into the air. 3 A wasp smells the chemical. It eats the caterpillar.

化学品拯救!当虫子攻击时，一些植物会求救。 许多毛毛虫吃树叶。 当它们开始进食时，某些植物会向空气中释放化学物质。 黄蜂可以从植物中闻到这些化学物质。 黄蜂来吃吃植物的虫子!其他植物会在有东西开始吃它们时产生毒素。 动物尝到了毒药的味道，停止了吃植物。 植物寻求帮助1毛毛虫正在吃一片叶子。 工厂向空气中排放化学物质。 3黄蜂闻到了这种化学物质。 它吃毛毛虫。