<span>That system grouped animals and plants by characteristics and relationships. Scientists looked at the characteristics that each organism had in common. They used the shared derived characteristics of organisms. Scientists were then able to find the common ancestry of the organisms.</span>
<span>The answer which is a correct statement about the events of the cell cycle is 4) Interphase consists of the G1, S phase, and G2 phase - it also consists of G0 phase, but that is not included in this option. 1 is incorrect because many important processes occur during these phases, 2 is incorrect because this happens during metaphase, and 3 is incorrect because M is not the longest phase. This means that the correct answer is 4.</span>
Answer: An external factor caused damage to the nerve cells. However, the injection of new cells into the injured area prompted a beneficial change. The injured cells received proteins that decreased inflammation and pain in the mice.