The answer you are looking for is Natural Selection.
loess - a deposit of fine, mineral-rich soil that is good for agriculture
deflation - the process by which wind moves particles that are loose
sand dune - sand deposited against an obstruction
abrasion - the process by which wind wears down solid objects
Plz mark brainliest :)
The answer is DNA because genotype is the genes of an organism and genes = DNA.