Reversing any two dimensionswill describe a completely different unit. Using the sameexample stated as 4x8x16 would indicate a unit 4 inches wideand 8 inches high (not 8 inches wide and 4 inches high).
Many water fleas swimming together. The water flea is a microscopic crustacean (around .2-5 mm long) that lives in lakes, ponds, swamps, and streams. The most common kind of water flea is the Daphnia. This little, translucent insect is named for the way it swims.
So you go swimming and the flea makes its way down your throat. Now, not being adequately equipped to survive the harsh environment of the human stomach, the water flea is dissolved away, leaving the guinea worm larva behind. It finds a soft, fleshy cavity to burrow into and starts growing.