Annelid and flat worms are mostly related
The SI unit for speed is meter per second (m/s). Speed can be calculated by the formula: speed = distance/time.
In the absence of competition, P. aurelia grew better than P. caudatum. Every daythere were more P. aurelia than<span>P. caudatum</span>
Osmosis is the movement of water from a hypotonic solution to a hypertonic solution through a semi-permeable membrane. The cell utilizes this phenomenon to indirectly regulate water in its cytoplasm by regulating the amount of osmotically active solutes in its cytoplasm through active transport.
