Question

which level of organization is pictured?
organelle
cell
tissue
organ

Explanation:

An organ is a structure composed of different tissues working together to perform a specific function. The kidney is made up of various tissues (like epithelial, connective, etc.) and has a specific function (filtration of blood, regulation of fluid balance). Organelles are within cells, cells are the basic unit, and tissue is a group of similar cells.

Answer:

organ