I would definitely change the execution clue. I think allmost everybody would be thinking about detailed ways to take someones life.. And the are suited for certain organisms is quite vague, beach for instance could be a viable answer, only certain organisms there.
surprsed at how low breeding is though ! 24% ( I dont know if it will get higher or lower when more people will take the quiz. Maybe the number isnt very representative atm since only about 600 people have taken the test)