Amazingly, the eye also evolved 50 to 100 times independently (<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Evolution_of_the_eye" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Evolution_of_the_eye</a>).