Question

what is the next level of organization of living things after tissues?
molecule
organism
cell
atom
organ
rewatch

Explanation:

The levels of organization of living things from simplest to more complex are atom, molecule, cell, tissue, organ, organ system, organism. So after tissue, the next level is organ.

Answer:

organ (the option with "organ" should be selected, i.e., the checkbox next to "organ" is the correct choice)