Describe the differences across species at the position in the genome that encodes RNA polymerase. Why might E. coli have so few introns and intragenic sequences? 2022 latest answers

1. Regarding genomes:

a. How do prokaryotes and eukaryotes differ with regards to genomes?

b. How does genome size correlate to species complexity?

c. How does genome density correlate to species complexity?

2. Describe the differences across species at the position in the genome that encodes RNA polymerase. Why might E. coli have so few introns and intragenic sequences? 2022 latest answers