Which of the following is the main source of energy for living things?

Answer 1

All lifeforms need energy to survive. Energy is the resource that allows organisms to do things. What kinds of things might an organism do with energy? The answer to this question is as varied as the lifeforms that use energy. Some, like the African Lion, use energy to chase after prey. Other lifeforms, like many creatures we find in the depths of the Earth's oceans, use energy to create their own light. Living things use energy to grow, to defend themselves, and to move around

Answer 2

the main source of animal energy is food and sunlight