Moreover, as biodiversity is most concentrated where human cultural diversity is highest, it is assumed that high biocultural diversity is associated with high concentrations of species used by humans (7). Yet, these assumptions lack empirical support, leading to growing calls for better integration ...
According to previous reports, humans and animals are affected by Pteridium aquilinum var. latiusculum, which contains ptaquiloside, a carcinogenic toxin [72]. The toxicity of Solanum nigrum is mainly due to the presence of solanine, with symptoms of poisoning in humans including nausea, ...
Carbohydrate: A compound consisting of carbon, hydrogen, and oxygen found in plants and used as a food by humans and other animals. Chlorophyll: Green pigment found in chloroplasts that absorbs sunlight, providing the energy used in photosynthesis. Chloroplasts: Small structures in plant cells th...
根据“Humans have used more than one third of the world’s land and 75 percent of freshwater. Besides, some human activities like cutting down forests and polluting rivers also do harm to the environment. As a result, there are fewer habitats (栖息地) and natural resources (资源) available...
These plants play a vital role in traditional medicine, addressing various health concerns in humans, as noted by [2, 10]. However, the extensive knowledge of medicinal plants is under severe threat due to deforestation, environmental degradation, and population growth. These factors are endanger...
根据语境“They protect themselves with different colors so as not to be seen by predators.”可知,动物用不同的颜色保护自己,由此可推知predators指的是“以某种动物为食的动物”,B选项“杀死其他动物作为食物”符合语境,故选B。【小题4】推理判断题。短文第一段介绍自然界中有各种各样的颜色,第二、三、...
C. But plants can provide what humans need to eat.D. But plants can be used to make medicine for humans. ( )33. How does the writer show his idea about plants improving the air? A. By telling stories.B. By giving numbers.C. By questioning famous scientists.D. By using scientific ...
D. But plants can be used to make medicine for humans. 29. How does the writer support his opinion about plants improving air quality? A. By telling personal experiences. B. By providing numbers and forms. C. By questioning famous scientists. ...
Unfortunately, plant sounds are at too high a frequency(频率) for the human ear to pick up. Humans can only hear frequencies of up to 16 kilohertz. The scientists used special AI algorithms to discover ultrasonic(超声的) ...
paxiana can be soaked in water to treat fractures and can be used by both humans and livestock. In addition, during the collection process, the locals maintain part of the bark to ensure the nutrient supply of the tree itself, which is also an important manifestation of sustainable collection...