Explain natural scientific phenomena in life with scientific principles (10 or more, the more the better)

Life and death are inviolable, which is related to the renewal and reproduction of our race.

The growth of organisms (such as plants) is the result of cell division and differentiation.

The position of eyes is the result of selective expression of cells.

The alternation of day and night is due to the rotation of the earth, and the formation of the four seasons is due to the revolution of the earth.

Plants shed their leaves because of abscisic acid.

The current is generated because the charge can move directionally.

Because of the natural vibration of objects and the propagation of mechanical waves, sound needs medium.

Rainbow is produced by the refraction of light.

The moon doesn't shine, its light is reflected sunlight.

There are many natural phenomena in life!