An ecosystem is defined as a community of living organisms as well as the nonliving components in the natural environment (such as the air and the water) that interact together through their nutrition cycle and the flow of their energies.
Ecological systems provide purification of air and water. They cycle nutrients and are considered as massive containers for recycling/
The answer for your question is the third one
Answer:
Explanation:
The F1 generation refers to the first filial generation. Filial generations are the nomenclature given to subsequent sets of offspring from controlled or observed reproduction. The initial generation is given the letter “P” for parental generation.