Answer:
Endoplasmic Reticulum
Structure
It is a large dynamic structure that serves many role in the cell including calcium storage, lipid metabolism, etc.
Function
It's function is to produce protein for the rest of cells to function.
Golgi bodies
Structure
It is made up of series of flattened stacked pouches
Function
It collect and distribute substance made in cell,synthesis and secretion of many material.
Darwin called the ability of an organism to survive and reproduce in its environment fitness.
Some organisms were fit to do all of these things, whereas others were not.
