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Some plants are very picky when choosing pollinators. The flowers of European Trollius are like a real safe deposit box, and only six kinds of insects know the code to open the safe deposit box. These lucky people all come from the genus Brevicorn. Only they know how to get into the sepals of European Trollius and find the center of the flower. However, no matter how hard other insects try, they can only fail with disappointment. The short-horned flower fly, which has gone to great pains to pollinate European Trollius, will naturally receive considerable "remuneration". Female short-horned flower flies lay eggs on the carpels of flowers. When the larvae are hatched, they will eat the seeds of flowers and grow up. This symbiotic relationship also has certain risks for European Trollius. The more short-horned flower flies, the greater the chance of pollination, but at the same time, the more insects parasitic on flowers. The cooperative relationship between the two was formed millions of years ago and continues to this day. It is a model of relative balance and harmonious symbiosis in nature.Austria-Hungary: 1,200,000　　由于最初就确定这是诗选类剧集，所以每季都是一个新故事，目前只知道第二季发生在二战期间，跟日裔美国群体、日本-美国两处地点都有关联。徐阶暗哼一声：你这样，守不了城的。可是汉国这边，和谈的人物是张良，他似乎是有意在拖延时间。Digression: What is Fertigarzneimittel? Generally, proprietary medicines are placed on the shelves of pharmacies. They are all produced in large quantities by pharmaceutical factories and have uniform packaging (i.e. Medicine boxes) during the transportation between production and taking by patients. Capsules, solutions and the like produced by pharmacies themselves do not belong to proprietary medicines.