C is your answer so pick c
Answer:
A
Explanation:
I'm pretty sure it's A because fish = fish feces which = nutrients.
False, because if the second population depends on the first as a food source then if the first decimates then the second will also start to decimate
Deoxyribonucleic acid or DNA is a chemical that contains nitrogen and is very important for living organisms. It plays and important role in making up the genetic constitution of the cell. It is hereditary and passes from one generation to another.
DNA is double stranded helix which coils and binds to non-histone proteins to pack inside the nucleus of the cell. Every living organism contains DNA or RNA as a genetic material.
The organisms in a pond and the physical factors <span>influencing them best describe "an ecosystem" since this is a self-contained environment will multiple organisms. </span>
