На ответы не смотрите , они не правильные,

The population of the earth grows uncontrolled rate, and the number of animals decreased dramatically. under the threat of becoming extinct 21% of mammals, 30% of amphibians, 12% of birds, 17% of sharks and 27% of the corals. we lose biodiversity at an unprecedented pace in the history. the reasons are the same: environmental degradation, deforestation of the amazon, the decrease in volumes of fresh water in lakes, as well as the destruction of coral reef ecosystems. in the red book are: long-eared jerboa, japanese hare  , the spanish lynx, orangutan, chinese lizard, pygmy hippopotamus, elephant turtle, owl parrot and others. take care of endangered animals!

So, any tourist is a traveler. At first glance similar, but actually a big difference.Now I will give a few differences between a tourist and a traveler.A tourist buys a ready-made tour at a travel Agency. The traveler himself is planning your route.
Tourist overcharged by the airlines. The traveler travels by bus, train, hitchhiking.
The tourist living in the hotel that long chooses different criteria of comfort. The traveler lives in the hostels.
A tourist puts the comfort of travel conditions in the first place. A traveler appreciates the experience.
Tourists need stability and confidence. The traveler is at risk.