Which of the following shows the levels of organization in a multicell organism from the smallest level to the largest?
a: cell, tissue, organ, organ system, organism
b: organism, organ system, organ, tissue, cell
c: crossed out
d: organ system, cells, tissue, organism, organ

A: cell, tissue, organ, organ system, organism

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

this was from the link provided:

b.have there own function.