Why do people claim that a spider is not an insect?
There was a time when ordinary folk classed the spider along with the bugs and the beetles. Nobody argued about it. But we live in the age of science and more folk tend to listen to the experts. And according to the experts, the spider is not classed with the insects. There are so many different creatures in the world that even an expert biologist could not count them one by one. What’s more, the wearisome job would not teach him very much. He is, however, helped by finding relationships and similarities. He sees important relationships between animals and plants and their surroundings. He wants to know how living things get along together and adjust to the problems of their world. Naturally, he needs to identify the different creatures. He uses an international system of classification and fellow experts of different languages can understand each other. All the world’s insects axe grouped together in the scientific class called insecta. The class is subdivided into about 25 separate o
