The eucalyptus is unpalatable to ther animals because of its high resin, phenol and terpene content. The koala is immune to these toxins, which are stored in its fat cells. The effect of this is that the koala is unpalatable to predators. When a coala dies it is quite common for the corpse to become mummified due to the anti-bacterial properties of the phenol. The fact that the koala has no predators is contrary to the theory of evolution, in which every animal is in a food chain. | The eucalyptus is unpalatable to ther animals because of its high resin, phenol and terpene content. The koala is immune to these toxins, which are stored in its fat cells. The effect of this is that the koala is unpalatable to predators. When a coala dies it is quite common for the corpse to become mummified due to the anti-bacterial properties of the phenol. The fact that the koala has no predators is contrary to the theory of evolution, in which every animal is in a food chain. |