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...
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。...
试题来源: 解析 D. The sounds are at high frequencies. 人类无法听到植物发出的声音是因为这些声音的频率很高,超出了人类的听觉范围。人类的听觉范围通常在20Hz到20kHz之间,而植物发出的声音频率更高,因此我们无法听到。其他选项与声音频率无关,因此不正确。反馈 收藏 ...
英语翻译 Humans,animals and plants can be affected by it.For example,it may cause sleep problems in humans,reduce drivers' night vision and make birds not able to migrate to the right place because they can't follow the Moon or the stars. 答案 人类,动物,植物都会受它的影响.(我猜这说的...
They protect themselves with different colors in order not to be seen by predators. During summer some wild rabbits are brown, and in winter they are white so that they can hide in the snow so they can't be found or eaten. However, some animals use color as a warning to make ...
is because of pigments (色素) ,which reflect light and make what the eye sees as colors.So when we feel excited or angry,our heart can send more blood to the face and the pigments in the skin become red.This is why we have the expression that someone "sees red" w...
The article presents a speech by K. C. Chakrabarty , deputy governor of the Reserve Bank of India, delivered at JRE School of Management in Greater Noida, India, August 5, 2011, in which he discussed the issues and challenges facing the Indian education system including expenditure, student-...
and on other plants. Some of these seriously harmful and potentially lethal plants can cause their effects if eaten only once, others when consumed repeatedly over a longer period. For some, their effects are felt after skin or eye contact, or following inhalation. These extraordinary plants occu...
Plants That Kill is not a field guide, clinical care manual, or pharmacology textbook – it is a fascinating and beautifully presented natural history of the world's most poisonous plants, the extraordinary strategies they employ for survival, and the impact these have on humans, other animals,...
Damiano advises to use common sense with plants you find in the wild. If you are not completely sure that something is food, do not eat it. 往期内容: 题源学习VOA:Can ‘Less Be More’ with Cancer Drugs? 题源学习VOA:Electrical ...