How are population growth bonuses due to morale applied? Are they based on your civilization's overall morale, or are they applied to each planet based on that planet's morale? Also, does the super breeder ability work the same way?
Planet-based, due to planetary approval.
0-20% - 10% of population 'quits' your government each week, i.e, stops paying taxes.
21-29% - Population doesn't grow, planet at risk of rebellion.
30%-40% - Population doesn't grow.
41%-75% - Population grows normally(according to a formula on the Wiki).
76%-99% - Population grows with a 25% bonus.
100% - Population grows with a 100% bonus.
100% Super Breeder - Population grows with a 200% bonus.