D... i took science last year
Answer:
A.
Explanation:
DNA is replicated through reproduction to the offspring. Hope this helps :)
Out of the choices given, the mechanisms that drives evolution is natural selection. The correct answer is B, natural selection.
It indicates what elements is composed by and how many atoms of one element are linked to the other.
For example, this is the formula for table salt is:
NaCl
The formula indicates that table salt (sodium chloride) is composed by sodium (Na) and chlorine (Cl) on a 1:1 ratio.
Hope it helped,
BioTeacher101