Question

What is the original source of almost all the energy in most ecosystems?

O carbohydrates
O sunlight
O water
O organic compounds

Answer 1

The original source of almost all the energy in most ecosystems is sunlight.

Step-by-step explanation:

The original source of almost all the energy in most ecosystems is sunlight. Sunlight is the primary source of energy for most living organisms on Earth. Through a process called photosynthesis, plants and certain other organisms convert sunlight into carbohydrates, which are then used as energy by the rest of the ecosystem.

Learn more about Energy source in ecosystems