Answer:
They are composed of molecules that contain carbon-carbon bonds.
They undergo chemical reactions to use energy they acquire from the environment.
Living things are organisms that displays characteristics of life. These characteristics includes the ability to grow, reproduce, use of energy, excrete out waste, respond to the environment and have organised structure.
Leading evolutionary theory of the origin of eukaryote cells from prokaryotic organisms
Both have a way to get rid of waste materials
Oceans cover 71% of the planet !