The definition of symbiosis has varied among scientists. Some believe symbiosis should only refer to persistent mutualisms, while others believe it should apply to any type of persistent biological interaction (i.e. mutualistic, commensalistic, or parasitic).
The Golden Pledge, which is a System Plus Warranty with a 20 year leak guarantee, can pay for itself within the first ten years, sometimes many times over. The System Plus transforms the normal warranty by removing the small print.
What does Lifetime Warranty actually mean? When something is advertised as carrying a Lifetime Warranty, does this mean that the item is warrantied for its lifetime? Does this mean that if it breaks down, it's considered that it's at the end of its life and therefore the warranty expires? Isn't it the same as saying something is... show more When something is advertised as carrying a Lifetime Warranty, does this mean that the item is warrantied for its lifetime?