How to describe the flow of energy to a third level consumer of the producers provide 1500 calories of energy to the first level consumers

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?

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.

Which step is the same in both forms of fermentation, as well as in cellular respiration?