An indicator is a substance that changes colour in the presence of another substance.  Let say inside the beaker are substances of both glucose and starch. The glucose and st â¦ arch are of same colour.
How long will dwarf shrimp live? Most dwarf shrimp live between 1.5 and 3 years. There are some very long lived shrimp, such as the ope ula (Hawaiian Red Shrimp). This shrimp can live beyond 20 years in captivity. How big will dwarf shrimp get? Most dwarf shrimp stay between 1.5 and 2.5 inches.
Shrimp are normally graded by size and count, meaning the average number of shrimp to make a pound weight. The higher the number, the smaller the shrimp. In some areas, jumbo shrimp are referred to as prawns, but the prawn is actually a completely different species in the lobster family. Determining how much to buy will depend on the size, but generally, count on 1/3 to 1/2 pound (shelled) per person. As a rule, the colder the water, the smaller and more succulent the shrimp. Shrimp Count Sizes