What are your answer choices?
It allows us to determine not only how and why organisms have become the way they are, but also what processes are currently acting to modify or change them !
c proteins .. most used cuz it provides energy and builds muscle
The correct answer is option (d) that is dizygotic twins.
The dizygotic twins also known as non-identical twins or fraternal twins, that is, two siblings who come from distinct eggs or ova, which are discharged at the similar time from an ovary and are fertilized by different sperm.