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.
Water bug is actually a broad term used to refer to different kinds of little bugs. The most common ones are the giant water bug, electric light bug, brown water bug and toe biter. Being members of the order Hemiptera, they have mouth parts that pierce and suck.