1) Scientists have described about 650,000 species of insects, but most likely there are many more.
2) Insects live all over the world, except for the Arctic and Eastern Siberia, since the climate there is too cold for insects.
3) Insects perform two extremely important functions in nature - pollination of plants and, in turn, insects themselves are an important source of food for birds, small animals, and sometimes fish.
4) Bees can make honey and also sting people.
