What is an exosytem ? How energy transformation occurs in an ecosystem ?

Explanation

An ecosystem is a structural and functional unit of the biosphere which consists of living organisms and their nonliving environments . Sun is the ultimate source of energy. Organsims except plants and system to atotraphic plants and from teh decomposers. This unidirectional flow of energy is known as energy flow.
Organic compounds like as the primary producers and they prepare consumers like herbivore animla consume the plant . these organic to carnivore and a further decease energy is transferred level recives and a further decrease in energy takes place .Each trophic els .This process is know as law of `10%`