Question

why an ecosystem cannot form in the absence of sun?​

Answer 1

》It is thought that life on Earth couldn't exist without the sun. It provides humankind with the light and heat needed to make Earth habitable. It provides the plants that fuel the world's food chains with one of the few essentials they need to grow. As the center of the solar system, the sun dominates Earth's ecosystems and impacts mankind for better, and for worse

Answer 2

Answer:

an ecosystem needs a basic energy source (sun)

Explanation:

sun is needed because its the basic and the MAJOR source of energy for the ecosystem on earth