Answer:
Domain Eukarya
Explanation:
There are only three domains; the Archaea, Eukarya, and Bacteria. Domain Eukarya came from the first prokaryotic cells billions of years ago.
DNA is going to be the answer
////// it is biological magnification /////
Organism > System > Organ > Tissue > Cell > Molecule > Atom
with this option given I don't think there is an odd one