He’s got a point, hasn't he? Tigers weigh around 250 kg on average, have 3 inch long teeth, and can bite with a force of 75 kilograms per square centimeter (If you don’t know how much that is, it’s a LOT), plus the claws. If there is an animal that threatens a tiger, that is surely something to be scared of. But what is it? Well, can you think of any animal that has been the cause of tigers almost going extinct? Us, of course. We have all read about the food chain in third grade science. The textbooks always said lions and tigers were at the top of the food chain. But that isn’t exactly right, is it? We have a tendency to consider us not animals, and therefore not include us in the list. But the truth is this: it is not the biggest cat or the king of the jungle that’s on top of the food chain. It’s us. We are at the top of the food chain. In fact, we are so far above the chain that the chain almost looks horizontal to us. Because the food chain is...