It sounds like semantic encoding. This basically means teaching a person something that can be applied to some sort of context (hence it describing themselves).
Answer:
older, older
Explanation:
Fossils deeper in the ground are older.
Chromosomal alterations are mutations that change chromosome structure. Point mutations change a single nucleotide. Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame.
Answer:
villi is used and is very imp as it has structure like finger type which help for increase in surface area for more absorption and less wastage of water/minerals
