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Some people wonder why evolution has occurred more quickly on Earth at sometimes more than others, whether it was from cosmic radiation or in response to extinction level events or something else. Sometimes spontaneous evolution occurs because of the presence of nearby shape shifters. Shape shifters have not only a telepathic connection to the life around them, but also on another level, a connection to the physical or bodily vehicle, such that they can signal life around them to change their form in a similar way to the shape shifters. The natural life around shape shifters begin to be able to change their form as well in proximity to shape shifters, as the shape shifters inspire and ignite the same sparks in life that gave the original shape shifters the ability to change form quickly and easily. To know when spontaneous or enhanced evolution occurs most, you can look at the total population of shape shifters in the area, or generally, on Earth, who were around at the time. Then, as the population of shape shifters moves or decreases, life goes back to being more stagnant, and keeps the form it had for the most part as the shape shifters had left it.