Question

the diagram is a model to represent the hierarchical organization in multicellular organisms. order the tiles so that they are arranged from the simplest level on the left to the most complex level on the right.
organ system
tissue
organ
cell

Explanation:

Multicellular organisms have a hierarchical structural organization starting from the simplest building block, the cell. Similar cells form tissues, tissues combine to make organs, and organs work together in organ systems (the most complex level here).

Answer:

1. cell
2. tissue
3. organ
4. organ system