A Scientist Finds Seeds of an Unknown Plant on Top

Multiple Choice

A scientist finds seeds of an unknown plant on top of the soil in a desert.She measures the concentration of two hormones in these seeds.After it rains,she collects more of these seeds,and finds that the concentration of the two hormones has changed.A graph of her results is shown above.Identify the most likely hormones measured by the scientist.

A) hormone 1: gibberellin; hormone 2: cytokinin
B) hormone 1: auxin; hormone 2: ethylene
C) hormone 1: abscisic acid; hormone 2: gibberellin
D) hormone 1: ethylene; hormone 2: auxin