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.
Sand fleas feed on organic and decaying plants. A favorite treat is seaweed on the beach. Whenever seaweed washes to shore, there will be a large number of sand fleas around and a sand fly bite is likely to occur. In general, the sand on the beach is a popular location for these fleas to live.