Extinction of species reduces the number of different species in ecosystems, hence lowering the diversity of living things.
Cytokinesis generally overlap with the typical cell cycle in the telophase stage. Telophase is the last stage of mitosis; where the sister chromatids reach opposite poles. Telophase and cytokinesis occur simultaneously, during cytokinesis the cell splits in two once the DNA has been replicated and pulled to opposite ends of the cell.
Answer: I believe c is what you're looking for, D is also a viable option, but C is more likely.
Explanation: