What is the wolf's source of energy?

Answer 1

The energy in the prey it eats.

Wolves are carnivores, they eat meet. The animals they eat themselves eat grass and get their energy from the grass.

Grass is a plant and plants make their own food by trapping the energy in Sunlight.

Thus ultimately the Wolf's source of energy is the Sun.

Answer 2

Wolves are carnivores, so their primary source of energy comes from consuming meat. They hunt and eat various animals such as deer, rabbits, and smaller mammals to obtain the nutrients and energy they need to survive.