The third level of cell organization is the tissue level system level organism level organ level

The right answer is the organ level.

The organization performs its functions (nutrition, relationship, reproduction) through its organs that form systems (or devices). Each organ is composed of tissues that are sets of specialized cells.

Some organisms perform all of these functions when they consist of only one cell: they are unicellular organisms.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it