Question

Where does all the energy
originally come from for living
things?

Answer 1

Answer:

The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter.

Explanation:

Answer 2

Answer:

For species and the ecosystems of which they are a member, the Sun is the major energy source. By combining carbon dioxide and water to form organic matter, farmers, such as plants and algae, use energy from sunlight to generate food energy.

Explanation: