Which of the following is NOT true about CO 2 and O 2 ? a. O 2 is required by most organisms to produce cellular energy-ATP.
b. 0 2 is produced by plants and other producers by cellular respiration.
c. Both gases move through stomates of plants.
d. C0 2 is utilized by plants to make sugars.

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.