The wings are adapted so they can hover and feed off of flowers.
The beak and tong is modified to extract nectar from flowers with long flower corollas.
Active deffusion.. this way the water is retained and the unnecessary salts ions are expelled out.
C... an animal that is faster than the others will have way better chances of survival. Thus, the animal with the mutation will pass on the trait more
Genus. Becasue it goes genus then species ex:homo sapian