Gravitational force is a week force but still it is considered the most important force. Why?

What is gravitational force?

Explain why photosynthesis is considered the most important process in the biosphere.

Show that gravitational force is a conservative force.

Among the known types of forces in nature,gravitational force is the weakest.Why then does it play a diminant role for motin of bodies on the terrestrial,astronomical and cosmological scale?