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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."Well, it's like a knife, but there is no" back of the knife ". Both sides are" blades "and the head is especially sharp." Zhao Mingkai said.由出品四届艾美奖最佳影集【广告狂人】、两届艾美奖最佳影集【绝命毒师】、艾美奖四项提名作品【谋杀】和金球奖最佳影集提名及美国最高收视电视作品【行尸走肉】的金奖电视网AMC，与出品BAFTA英国电影和电视艺术学院奖最佳电视影集【乌托邦】、 【小镇疑云】的英国电视4台，跨越国界，双剑合璧，携手联合制作的八集电视影集《真实的人类》将于六月廿八日晚上九时在美国首映。这出全新科幻影集改编自备受评论界激赞的瑞典获奖科幻影集《Real Humans》，并由英国编剧Sam Vincent 和Jonathan Brackley (【反恐谍报战】) 执笔重新创作剧本。该剧设定在机器人Synth被繁忙都市人广泛使用的世界，呈现人类与机器人的界限愈发模糊后，扣人心弦的矛盾冲突、心理冲击与道德拷问。If you still have one month to live, how do you plan to spend it? The most common answer is to spend the last time peacefully with your lover.A4.1. 3.3 Color vision.If the number of people who put forward the same opinion can reach three, it can be considered as convincing enough material.