Answer: when one is lost, one is formed
Diploid refers to a cell that has two copies of each chromosome. One way that a diploid organism could have an offspring that are 3n (triploid) or 4n is when the chromosomes don't separate during meiosis.
Triploid refers to some cell that have 3 copies of each chromosomes for a total of 69 chromosomes.
Atom -> molecule - organelle - cell - tissue - organ - organ system - organism - population - community - ecosystem - biosphere
There’s more to this but that’s whether you require more or less of the list
D CHLOROPHYAT NOT THE OTHER ONES