Food energy is energy obtained from food through cellular respiration, which is the set of the metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate.
In most food webs the Sun is the ultimate source of energy. Some food webs start with chemotrophs and in those cases the source of the energy are chemicals often from underwater volcanoes.
from food
Yes fats are the most calorific energy source.
the source for all enery is sunlight
plants
No Food under normal circumstances is a renewable source of energy. Food is the result of plants getting energy from the sun and converting this energy into storage. the plants can the be eaten and the energy used. The plant however puts out seed and grows again renewing itself as a source of energy.
Food stores fat. Fat is an energy source of the body.
food
The food it eats.
the sun
Nutrients and energy.
carbohydrates