Look at this pic and me out wit this problem biology

What are the four basic classes of organic molecules how do they differ structurally and functionally

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.