Those of our ancestors who saw more accurately had a competitive advantage compared to those who saw less accurately, and therefore they were more likely to pass on their genes.
كان لأجدادنا الذين ابصروا بشكل أكثر دقة ميزة متفوقة على الذين يبصرون بدقة أقل لذلك كان من المحتمل أن يمرروا جيناتهم لنا