They eat food.
Wolves have kinetic energy, which is the energy of motion. This energy allows them to run, hunt, and interact with their environment. Wolves also rely on potential energy when they store energy by resting or preparing to hunt.
They gain energy by eating food.
Wolves rely on the sun indirectly for energy by consuming prey that has obtained energy from the sun through photosynthesis. This energy is passed on through the food chain to wolves when they consume animals like deer or rabbits. Wolves do not directly rely on the sun for energy like plants do through photosynthesis.
from their victim's blood
No, objects that gain energy become hotter.
Volcanoes gain energy from the hot magma inside it
A pack of grey wolves get their energy from the prey they hunt down and kill.
When condensation occurs, it is a gain thermal energy.
You gain Potential Energy as you cycle up a hill.
A temperature change requires as gain or loss of heat energy.
Most substances lose or gain energy when their temperature changes.
Sure, you can add energy to an object. For example, you can heat an object up (to have it gain heat energy), you can raise it (to have it gain gravitational potential energy), or you can make it move (to have it gain kinetic energy). In each case, the energy has to come from somewhere.