The text boxes below have been placed in a random order. Reorder the paragraphs.
A. All animals have a strong exploratory urge, but for some it is more crucial than others.
B. It depends on how specialized they have become during the course of evolution.
C. If they have put all their effort into the perfection of one survival trick, they do not bother so much with the general complexities of the world around them.
D. The non-specialists, however, the opportunists of the animal world, can never afford to relax.
F. So long as the anteater has its ants and the koala bear is gum leaves, then they are satisfied and the living is easy.