论文部分内容阅读
蜘蛛部会吐丝,但只有一半会结网。定居型蜘蛛是天生的织网高手,它们吐丝织网捕捉猎物。蜘蛛网不仅巧妙、复杂,而且功能齐全、设备精细,网上有通信线、报警线、行路线、餐室、婚室、育儿室等等,就像一个神奇的迷宫。对子昆虫来说,可是个恐怖的陷阱。蜘蛛网形状各异:有的网错综复杂,没有规律,蛛丝缠结在一起;有的网呈漏斗状,顶部大,底部小;还有三角形的网,三个点将网固定起来。织网蜘蛛要开工啦!要说最漂亮的,得是圆网了。这不,圆网蜘蛛马上要开工啦,我们一起去看看吧!首先,蜘蛛先从纺器挤出一点儿液体,朝前一拉,马上
The spider will spit silk, but only half will mesh. Settling spiders are natural webmasters who spin their webs to catch prey. Spider web not only clever, complex, and full-featured, sophisticated equipment, online communication lines, alarm lines, line routes, dining room, wedding room, nursery room, etc., like a magical maze. For insects, it is a terrible trap. Spider webs vary in shape: some are intricately meshed, have no regularity, and spiders tangled together; some are funnel-shaped, with large tops and small bottoms; and triangular meshes, where the three points fix the web. Web spider to start it! To say that the most beautiful, it is a round net. This is not, round-the-web spider to start right away, let’s go and see! First of all, the spider squeezed out a little liquid from the textile, a pull forward, immediately