Domain Eurkarya:
~Cells are larger than Archaea and Bacteria
~Includes all life form that have cells with nuclei
~Includes all Animals, Plants, Fungi, Prototozoa and Algae
Domain Archaea
~Single celled Organisms
~No Nuclei
~Often live in Extreme conditions like Salty Marshes, Hot Springs, and the deepest darkest reaches of the ocean
Hope this helped!