Advantage compartmentalisation: enzymes and substrates for particular processes can be far more concentrated then if they were spread out through the cytoplasm.
Advantage compartmentalisation: Substances that could cause damage inside the cell can be kept inside the membrane of an organelle.
Advantage compartmentalisation: conditions such as pH can be maintained at an ideal level for different processes in different parts of the cell
Advantage compartmentalisation: Organelles with their contents can be moved around within the cell
Advantage compartmentalisation: there is a larger are of membrane available for processes to happen