Eine ausführliche Einführung in die Prinzipien der Evolutionstheorie bietet folgende englischsprachige Seite “Understanding Evolution”:
Welcome to Understanding Evolution
Understanding Evolution is a non-commercial, education website, teaching the science and history of evolutionary biology. This site is here to help you understand what evolution is, how it works, how it factors into your life, how research in evolutionary biology is performed, and how ideas in this area have changed over time.