Availability of food.
this is cause by too much flowers and the more flowers the mor different types of insects get attracted to them
If there are butterflies around, they might snap at them out of curiosity. However, butterflies are not really a part of a cheetahs normal diet.
the introduction of new technology
The number of units will decrease and if it is going from largest to smallest the number of units will increase.
The number of cases of asthma might increase
Tropical Region Birds and Insectivorous Birds eat butterflies but there might be more birds that eat butterflies.
It might be, but sometimes it can just be an attraction.
Increase in humidity, and decrease in temperature.
well maybe it isn't the butterflies preferred environment some butterflies might like cold weather some might like hot weather.
Navigation and migration .
it depends it might happen when you are nervous and it might happen when someone you have a crush on is around you
red flowers because butterflies like bright colours and will be attracted if you plant that.