The three-domain system

The three-domain system. Zhou et al (2018) https://link.springer.com/article/10.1007/s00253-018-8831-x

word count on each 5 sentences

1. In the Zhou et al (2018) paper, what are two arguments for the three-domain system that you find most compelling? What are two arguments for the two domain system
2. Zhou et al (2018) paper, which system do believe more

3. What methods did the authors use to create Figure 2?

4. What does this figure tell us about the relationship between eukaryotes and archaea