the sun
Carbohydrates..they provide energy
Living things constantly expend energy in order to live and must therefore have a source of energy (food or sunlight) available to them to replenish the energy expended.
the ultimate source of energy for all living organisms is the sun
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glucose is the source of energy for all living things.
Adding sufficient heat would harm or kill a living thing.
The flu virus is a non-living thing, so it doesn't have its own energy source. To reproduce, it hijacks the cells of a living being, such as the upper respiratory cells of a human, and uses the energy of those cells to make more copies of itself.
The sun is a huge ball of fire and this is the only heat giving energy source of the universe.It gives the energy to the both living and non living thing and lights our livelihood
That means that there is a primary source of energy, and the secondary one is used incase the other fails.
All living things require a source of energy.
almost every living thing needs carbs, carbohydrates are a source of energy for the body, but it is not the most essential energy maker in the body, fat is