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Compositae plants play an important role in nature, including the most common daisies, sunflowers and thistles. It has a total of 13,000 species in the world, most of which are herbs, as well as some woody plants and lianas. When we look at their flowers, they look like a flower, but they are actually dozens of small flowers that are tightly together. They chose to gather together to attract the attention of insects. Because if each small flower grows independently, they do not have much attraction to insects, but when they gather together in inflorescence like this, they will form a bright yellow flag that insects cannot refuse. So whenever an insect passes by, it spreads not only the pollen of one flower, but dozens of small flowers.Many older plants are wind-borne plants, such as conifers, but insect-borne pollination, which appeared later, is not necessarily more advanced than wind-borne pollination. Nettles are a good example. The nectar of nettles has a good smell, so it seems that nettles, like their ancestors, want to attract insects to pollinate, but surprisingly, nettles' first choice is to pollinate through the wind.The success rate of weightlifting selection is only 50%/question因为军士生病的缘故，顾涧将军也亲自赶过来了。尉缭续道：想要报仇，就须得杀了项羽和刘邦，但是以我们眼前的力量恐怕难以办到。剧情看点:飞龙五将惩恶锄奸 罪犯闻风丧胆。飞龙五将乃突击队先锋,常接重大而危险的任务,成为罪恶克星。情海惊涛:飞龙李文标(杨信权)有一爱慕虚荣的女友,后来竟然成为了文标姨丈的情妇,姨妈在受创之余开始计划杀死两人复仇。霹雳大逃犯:飞龙刘超平(秦伟)与飞龙义弟韦明德(郑文泉),妹妹刘美英(李锦梅)与父母同住.英有一男友,也是飞龙成员赵天豹,被情敌陷害成了杀人犯。