Is Ubuntu a fork of Debian?

Related questions

1. Is Debian a server OS?
2. What version of Debian is Ubuntu based on?
3. What is Jessie Linux?
4. When was Debian released?
5. Is Kali Linux safe?
6. Does Debian use RPM?
7. Is Kali better than Ubuntu?
8. What is Kali Linux KDE?

Tags

1. #developers
2. #naturally
3. #common
4. #characterizations
5. #distributions
6. #conceptions
7. #comparison
8. #continuing
9. #ubuntu
10. #partially
11. #however
12. #debian
13. #themselves
14. #popular