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Ants [ ] on planet Earth for more than 140 million years, [ ] than dinosaurs. All ants live in colonies but there are surprising differences in their way of life and their habits. One of the [ ] kinds of ants is the "army ant". These ants go out in armies of many [ ]. They kill and eat anything in their way: insects, snakes, lizards, birds … Now you may ask, "How can a little insect like the ant kill and eat everything in its way?" Well, there are so many of [ ], and if the creature [ ] away, the army ants [ ] it, even if it's a crocodile. Some army ants make black ants work for them just like slaves. If you ever [ ] a colony of army ants, be careful! [ ] ants will attack any living creature — and yes, that [ ] you too!