Why do all living things need sunlight

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

What noticeable trend from this graph might be used to make a conclusion?

Were you able to observe the nucleolus in any of the cells if so which ones