Acondition in which two populations of the same species, over time, can no longer breed with each other to produce live offspring

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.

Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.

Which chromosomes do not determine the gender of an organism? a. autosomal b. regulated c. sex