Respuesta :

Answer:

#2 - Cells

Explanation:

Cells are known to be the smallest unit of life of an organism. If you were to put it in a sequence chart (for future references), then it would be:

Cells —> Tissues —> Organs —> Organ System

Hope it helps. ^^
WorldTraveler2021

Answer:

#2Cells

Explanation:

All living things are made of cells; the cell itself is the smallest fundamental unit of structure and function in living organisms.