The WTS seems to affirm a lot that Adam's blunder really screwed up the earth, and that the earth was not meant to be this place full of killing, disease, death, pain, etc.
But according to the WTS version of the story, did God create the earth with these types of features before Adam even came on the scene? The WTS does not deny the existance of dinosaurs, who in their words were created prior to mankind during the 5th or 6th symbolic day-ages.
Yet its clear from fossilized remains that dinosaurs killed each other, had a high mortality rate, often died young, suffered from disease such as cancerous tumors:
First Dinosaur Brain Tumor Found:
tyrannosaur species experienced high mortality rates as infants and young adults, with just a choice few surviving to maturity: http://msnbc.msn.com/id/13844195/
Cancer in dinosaurs and illnesses in other animals are being studied in a groundbreaking new program that combines medical school with the study of natural history:
T-Rex suffers from gout: http://www.newscientist.com/article/mg15420831.000.html
Does any of this fit the description of a "paradise earth"? It just doesn't fit the simple image the WTS paints about how the earth will be "restored to wonderful conditions".