Question

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Answer 1

cell, tissue, organ, organ system, organism.

Answer 2

There are five levels of organization and these are the cells, tissues, organs, organ systems and organism. The most complex is the organism having the rest of the organization in it and the least complex is the cell, the basic unit of structure.