4.6 Energy and substances in food chains

·         Producer change light energy to the chemical energy.

·         This chemical takes the form of molecules.

·         Including carbohydrates, proteins and lipids which are called food.

·         These molecules are C-H, C-O, C-C, O-H, C-N are all energy bonds.

·         CHON are substances of matter which contain the energy which was fake from sunlight. What passing in each chain are substances and the bonds.