Jarrick is observing a single-celled alga and knows that it undergoes photosynthesis and respiration. Which question could the student ask to find out how it can do both processes?

Question

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a
Is water needed for the processes of respiration and photosynthesis?
b
Are the inputs of photosynthesis the same as the outputs of respiration?
c
Are the inputs of photosynthesis the same as the inputs of respiration?
d
Is carbon dioxide needed for the process of photosynthesis?

Answer 1

The question that Jarrick could ask to find out how the single-celled alga can undergo both photosynthesis and respiration is:

b. Are the inputs of photosynthesis the same as the outputs of respiration?

This question directly addresses the relationship between the two processes, exploring how the products of one process may serve as the reactants for the other, which is fundamental to understanding how the alga can simultaneously perform both processes.