A plant’s roots take in water and minerals from the soil as they move from the damp ground into the dry plant through a permeable layer. The longer they grow, the more surface area they have for absorption, and, amazingly, they can even grow in the direction of the wettest patches –...
( A )3. -How do leaves get water?of a plant carries waterfrom the roots to the leaves.A. The stemB. The flowersC. The seeds 答案 答案见上相关推荐 1( A )3. -How do leaves get water?of a plant carries waterfrom the roots to the leaves.A. The stemB. The flowersC. The seed...
New research has discovered how plant roots sense the availability of water in soil and then adapt(适应)their shape to acquire water. The discovery could enable crops to be raised which are more adaptive to changes in climate conditions, such as the absence of water, and help ensure food saf...
B篇 A Fun Plant Experiment to Try at Home!Without water, plants would die. How does water get from the roots of a plant to the other parts of the plant? The water travels through “small pipes" to all parts ofthe plant. And here is a scientific experiment to show it.What we need...
分析: “it” 出现在句子 “The experiment, therefore, shows that the small pipes in the plant allow water to reach all parts of it.”中,这句话的意思是:因此,这个实验表明,植物中的这些小管道可以让水到达它的各个部分。 结论: “it” 指代的是 “the plant”, 选项B “植物” 正确。
根据“You can see red food colour in all cross parts from the bottom of the celery stick right up to the leaves.”可知,你可以看到从芹菜杆底部到叶子的所有交叉部分都是红色的食用色素。故选D。 (3)题详解: 主旨大意题。根据“How does water get from the roots of a plant to the other ...
1.how many p___do plants have?2.roots grow b__ground.3.l___make food for the plant.4.the s__carries the water from the roots to the leaves and flowers.5.the seed of the rice plant feed b__of people.6.theseed will g__into a plant.7. 答案 parts 植物分为多少部分?below 根...
Why do plant roots absorb water mainly by osmosis? What are five important uses of plants? How to plants conserve water via: a. Leaf b. Stem Explain what happens when a wilting young plant is well-watered. List and briefly explain the five things plants require in order to grow. Why is...
When considering how to make plant roots grow faster, another factor is the soil. This critical component to having healthy plants is often forgotten. In addition to fertilizers, there are things you can do to improve the soil. When you amend your soil,you canimprove water retention, aeration...
You do not need to buy a new pot. Look around your house. You can use a can or plastic container. You will want to choose something with holes at the bottom. This way, extra water can drain out. If a pla...