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.
Grass shrimp are very small. Even the adults are usually less than two inches long. The first two pair of legs on a grass shrimp looks like tiny claws. Their heads end in a. pointed part called a rostrum. Their rostrums have teeth along the edges. You can see right through their transparent bodies.