Decomposers are essential in breaking down organic matter into useful ones. For the nitrogen cycle, they break down bodies of dead organisms turning it into ammonia. Also, some bacteria break down nitrates turning into nitrogen which goes back to air.
Answer:
third option should be correct
Explanation:
Energy, growth, evolutionary and ecological describe different biological life cycle. Life cycle involves all those living organisms in the earth. Life cycle involves energy that every living organisms need, growth that every living organism undergo, evolution and ecological.
