Which example best demonstrates artificial selection? Salmon swimming upriver to lay their eggs.
The forrest service stocking trout in a lake in Montana.
Farmers breeding pigs with less fat.

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.