A potometer, or transpirometer, is a device used to measure the rate of transpiration, or the rate of loss of water, from the leaves of a plant.d. One type of potometer design commonly used in the biology classroom is the bubble potometer, where the rate of movement of a bubble of air inside a column of water is used to measure the transpiration rate of a plant.
A sphinx is a mythical creature with the body of a lion, most often with a human head and sometimes with wings. The creature was an Egyptian invention and had a male head - human or animal; however, in ancient Greek culture the creature had the head of a woman.
In Greek mythology the Sphinx was a female monster with the body of a lion, the head and breast of a woman, eagle's wings and, according to some, a serpent's tail. She was sent by the gods to plague the town of Thebes as punishment for some ancient crime, preying on its youths and devouring all who failed to solve her riddle.