To test for protein, you added Biuret solution and observed color changes. Suppose that the color data below was observed. A 3-column table has 1 rows. The first column is labeled Gelatin (+ control) with entry pink/purple. The second column is labeled
Water (negative control) with entry pink/purple. The third column is labeled Mystery food sample with entry blue.

The data above indicate an error. How do you know? What might have caused the error?

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .