Which event occurs in meiosis, but not mitosis? A. Separated chromatids move to opposite ends of the cell.
B. All chromosomes align along the center of the cell
C. Homologous chromosomes pair and "cross over."
D. The parent cell divides to form genetically-identical daughter cells.

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere