In agriculture a relevant aspect is the better adaptation of plants to specific environmental conditions that can be gained using genetic engineering techniques: this includes the better adaptation of crop plants to the changing environmental conditions, including climate change, increased UV radiation, ch...
1. It is ___(produce) by many plants is important food for us humans.相关知识点: 试题来源: 解析 produced 该句缺少一个被动语态的动词,表示“被许多植物产生的”。因此,空格处应填入“produced”,构成主语从句“It is produced by many plants”,表示“由许多植物产生的东西”。整个句子表达的意思是“...
Humans navigate their way through the world by relying on five basic senses: touch, sight, sound, smell, and taste. These senses help to build a picture of our surroundings, so that we can respond to any sudden changes. Many animals also rely on these senses to avoid being eaten, or to...
Gladiola or gladiolus also common name "many cultivars" is a popular perennial plant that can be very toxic to dogs especially the bulb part. These plants can cause cardiac symptoms like arrhythmia if a large amount of bulbs are eaten by the dog. It has also been known to cause liver and...
It sounds like the plant world had the Internet before we did.Some plants have a rather impressive line of defense against being eaten . When sensin g they are being swallowed , they give off a c hemical into the air that attracts the insect's natural enemy . T he enemy attacks the ...
Humans can help protect plants in the ecosystem by ___. A. cutting down more trees B. polluting the environment C. planting more trees D. ignoring plants 相关知识点: 试题来源: 解析 C。解析:人类可以通过种植更多的树来保护生态系统中的植物。砍伐更多的树、污染环境和忽视植物都不利于保护植物。...
Herbaceous plants are vascular plants, which means that they have a vascular system. All herbaceous plants also have soft, fleshy stems. Read on!
Toxic plants: dangerous to humans and animalsBy Jean Bruneton (translated by Caroline K. Hatton). x+545 pages. Andover, UK: Intercept Ltd, 1999. 92.00 h/b. ISBN 1 898298 62 9.Pancreatitis, ChronicNo abstract is available for this article....
百度试题 结果1 题目1. Such chemicals absorbed by plants can to harmful to humans and animals. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
The "e-nose" can tell compounds that crop plants make when they're attacked. Scientists say the e-nose could help quickly detest whether plants are being eaten by insects. But today the onlyway to detect such insects is to visually inspect individual plants. This is a challenging task for...