After a hurricane warning came across the television, young…

After a hurricane warning came across the television, young Eli became terrified of the alarm sound that signaled a severe weather warning. Over the next few months he heard it several times when the "required monthly tests" came on the television, and his fear faded away. One day the alarm sounded and Eli jumped up and ran out of the room. This return of a previously extinguished response is called ________.

5. Pick one plant organ that can serve as either a sugar sou…

5. Pick one plant organ that can serve as either a sugar source or a sugar sink, depending on the context. Explain a reasonable situation in which that organ might be a sugar source, and a different situation in which that same organ might be a sugar sink. (1-2 sentence limit for each situation)