The question is in the picture. Don't answer if you don't know the answer or else I will report.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.

What is the one part of the nucleotide  that differs among the other different nucle  tides?