Third orbit
The place occupied by the Earth in the Solar System is the third, this is fundamental for life, because if it were closer or far from the Sun, the conditions for the emergence of living beings such as this would not have been given. and how it happened. The solar energy reaches the Earth in the form of light and head
They work to convert light energy of the sun into sugars that can be used by cells
The part of their eye , located behind the retina ,called the Tapetum lucidum. It is reflective and helps the cat with night vision based on how light passes through it