How did Mendel make the F, generation for his experiments?

A. He crossed two pure lines.

B. He crossed only round seed plants

C. He removed all the smooth seed plants.

D. He crossed two F2 generations.

What goes in and out of a cell respiration?

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective

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.