Below you can find the For 3000 years these animals have been ships of the desert in saudi arabia although cars vans & trucks have taken over much of the load Jeopardy Words Answer. The answer to For 3000 years these animals have been ships of the desert in saudi arabia although cars vans & trucks have taken over much of the load has 6 letters. This clue belongs to the Animals category and is part of Jeopardy Word Level 135. If you scroll near the bottom you will find other clues and answers part of level 135