Jehovah's Witnesses believe:
1. Man was created in 4026 BCE
2. A global flood occurred in 2370 BCE
3. The Israelite’s wandering in the Wilderness began in 1513 BCE
Witnesses believe at man’s creation, all of the universe was at peace. However, this leaves them with the problem of accounting for animals who sport armor, or defensive or offensive weapons as body parts. JW’s could develop the argument that god created the animals with the ability to be dangerous but simply didn’t allow them to exercise that ability. But even for a JDub that argument would have to seem pretty ridiculous, and they would probably reject it anyway based upon their idea that they serve a god of love who would never create inherently dangerous creatures.
Their only other option is to believe that these animals grew those dangerous anatomical features through adaption. Of course most people realize that it takes hundreds of thousands or even millions of years for that to happen. But using JW’s own chronology, the animals had far less time than that in which to adapt. Dubs believe that god’s prohibition against eating meat was lifted after a global flood, which they believe occurred in 2370 BCE. It is also their belief that that is when animals began killing one another for food. We can extrapolate that and say that that’s when these dangerous or deadly features of animals would have been “allowed” to begin evolving. How long did it take them to evolve? For the venomous snake, it could only have been a few hundred years. Numbers 21:6 says that god sent venomous snakes against the Israelites when they were wandering in the Wilderness, and that some Israelites died from the snakebites. According to JW chronology, it was fewer than 900 years between the flood and the Israelite’s trek through the Wilderness.
For a group of people who don’t believe in evolution, they are stuck with the belief that god allowed extremely rapid evolution of these animals. How would they handle that?
