"Brain" of the cell, control center; Contains DNA (genetic material)

"Powerhouse" or "Energy producer"; makes ATP through cell respiration

Assembles amino acids into proteins.

Made up of more than one cell.

Made of a single cell

A unicellular organism that lacks a nucleus and membrane bound organelles

A cell that contains a nucleus and membrane bound organelles

A living thing

process by which organisms maintain a relatively stable internal environment