In this lab, biology students were directed to use indicators as chemical detection tools, to analyze a variety of foods for the
presence of carbohydrates, lipids or proteins. One group was responsible for testing for the presence of sugars and starches in the food they ate at lunch. Which test result below shows the presence of starch in their food?
In order to test the presence of starch, one has to treat with iodine. If the food turns blue-black in color, it is an indication of the presence of the starch.
because the more alike species are The more they have to adapt to try and compete with one another So the more different a species is the less they have to compete
