The ground supported fewer plants, and the insects which lived on these plants died out.
地上长的植物少了,生活在这些植物上的昆虫就消亡了。
Next, if it is not a story, get an idea of the organization of the book. Read the back cover and the introduction. Look at the pictures and the short texts below them. Turn to the front of the book and look at the contents. This way you can decide whether