Answer: Breaks down, decomposes. Decomposers include bacteria and fungi.
They are the basic units of structure because they are the smallest unit of life. you cant go any further. also they make up every living thing from prokaryote to eukaryote.
Your answer would be the first one “prophase”
Explanation - prophase
During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. Chromosomes are made of a single piece of DNA that is highly organized.
The cytoplasm is located inside of the cell between the nucleus and the cell membrane.