Movement SS1 Biology Lesson Note

Movement is the ability of living organisms to move from one place to another.

Reasons for Movement

1. To search for food
2. To escape from danger
3.  To respond to a stimulus either positively or negatively
4. For the sake of reproduction

CYCLOSIS

Cyclosis or cytoplasmic streaming: This is the mass rotational streaming or movement of the cytoplasm and its contents in cells with the vacuole. In some cases, the streaming may be restricted to a particular region or the cell while at times the whole cytoplasm is subjected to cyclical movement of the cell.