The correct answer should be A. subdivisions
Usually, they are split into numbers for the highest and broadest rank, then capital letters for subdivisions, and then lower case letters for the lowest place in the hierarchy.
Answer:
spry
Explanation: i did this already
descent noun (RELATION) [ U ] the state or fact of being related to a particular person or group of people who lived in the past: She's a woman of mixed/French descent. They trace their line of descent back to a French duke.