What is the evidence of the movement of the cytoplasm in the cell? what is the reason for this phenomenon?

Cytoplasmic movement is not possible in all cells. In bacterial cells, the cytoplasm does not move. The movement of the cytoplasm provides many different vital processes for cells and tissues. Thanks to this, the organelles of the cell move. They fulfill their functions through movement. Also, the movement of the cytoplasm ensures the transfer of organic matter between cells. It moves under the influence of physical laws and the movement of the cells themselves. There are no special organelles or parts of the cell that would mix the cytoplasm.