Use the following table to answer questions a-e below. Scientists measured the pH of several small ponds and counted the number oftadpoles and minnows present in each. m Number of Minnows -_ 92 '38 ID T8 91 88 84 83 82 a. Make a line graph of the data. Be sure to include all of the elements you listed above. b. Why did we use a line graph versus a bar graph? c. What is the independent variable? What is the dependent variable? d. What is the optimal water pH for tadpole development? e. What is the optimal water pH for minnows? f. Estimate how many tadpoles would you expect to find in water with a pH of 5.0? g. Which species is more sensitive to changes in pH? How do you know