Evolution is a scientific theory because it seeks to explain life using physical, testable properties. You can use the same properties to devise an alternate theory, and if yours is better than evolution, then you can be sure evolution won't be around very much longer. | Evolution is a scientific theory because it seeks to explain life using physical, testable properties. You can use the same properties to devise an alternate theory, and if yours is better than evolution, then you can be sure evolution won't be around very much longer. |