Question

The levels of organization within an organism are atom, __________, cell, tissue, organ, and __________.

atomic number; element
compound; kidney
molecule; organ system
nucleus; membrane

Answer 1

molecule; organ system.

Step-by-step explanation:

The level of organization of an organism refers to the order in which the organism exists starting from Its most basic unit. The levels of organization are cells, tissue, organs, organ system. In this case, it's atom, molecule, cell, tissue, organ, and organ system.