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To make energy for their bodys, and to STAY ALIVE!!!
To make energy for their bodys, and to STAY ALIVE!!!
The source of energy for plants is sunlight.
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
chemical to machanical energy
Yes fats are the most calorific energy source.
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.
the source for all enery is sunlight
plants
Food stores fat. Fat is an energy source of the body.
carbohydrates