Answer:
D. When you are analyzing DNA of organisms
Explanation:
Cladistics is focused on tracing common ancestors, which relies not only on physical characteristics but also DNA evidences. Cladistics is also known as modern taxonomy. Linnean taxonomy is more on the physical characteristics, which is also called traditional taxonomy. As technology progressed so did taxanomic categories, which allowed researchers to compare DNA to determine similarities in seemingly unrelated animals.
A deploid cell is a cell with 46 chromosomes and a haploid cell is a cell with 23 chromosomes found in the reproductive method of meiosis
D -<span>the start of glaciation and climatic changes</span>
