In performing research for an ecology class, students at a college in upstate new york collect data on streams each year. they record a number of biological, chemical, and physical variables, including the stream name, the substrate of the stream (limestone, shale, or mixed), the acidity of the water (ph), the temperature (degrees°c), and the bci (a numerical measure of biological diversity).identify the who in this situation. choose the correct answer below.(a) the biological organisms that contribute to the bci(b) the streams(c) the students(d) the college(e) the who is not specified.