Question

the main driving force of ecological system is

Answer 1

Energy

Hope this helps ya

Answer 2

Answer:

Energy - main driving force of ecological system

Explanation:

Energy flow describes how energy enters the ecosystem and gets passed through each and every trophic level. The rate at which energy and materials are consumed by the organisms is called Production.

This is the reason why primary producers are called "producers", as they produce materials that support other organisms.