Evolution is not something that happens in a blood line. It's the environment that affects evolution. Blood lines just provide the basic DNA building blocks.
The environment, training advances, scientific breakthroughs; knowledge. That's what causes evolutionary changes. You know what puts us at the top of the evolutionary chain? Our ability to manipulate our environment. I'm not just talking about the weather.
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"Are you listening or just waiting to talk?"
Light travels faster than sound. This is why some people appear bright until you hear them speak.
"Fate rarely calls upon us at a moment of our choosing."
Optimus Prime
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