Task: Text Simplification
Input (English): their unusual size is attributed to island gigantism , since there are no other carnivorous animals to fill the niche on the islands where they live , and also to the komodo dragon 's low metabolic rate.
Output (English): their strange size was becuase of island gigantism , because there are no other meat eating animals on the island where they live , and also because of the komodo dragon 's slow rate of digestion.