Which statement is correct concerning single-celled and multicellular organisms? A. All single-celled organisms are eukaryotic, but multicellular organisms can be either prokaryotic or eukaryotic.
B. Both are made up of cells that contain organelles, which carry out life functions to maintain homeostasis.
C. It is thought that single-celled organisms originated from multicelullar organisms.
D. Both are made up of organelles and contain tissues.