Directions: Use the information to answer the following question.
A class studied organisms living in a pond near their school and conducted an investigation. Algae and Daphnia are common organisms in pond water. Information about these organisms is included in the table. The students wrote down the steps they took and prepared a setup like the one shown.
Picture 1 shows the data
Picture 2 shows the steps they took
Which question is a testable question that can be answered by conducting this investigation?
A. How does the use of aluminum foil affect the population growth of Daphnia?
B. How productive is the algae in producing glucose by photosynthesis?
