What's the difference between tropism in plants and reflex action in animals? (Apart from Tropism refers to growth or turning movement of a plant in attempts to respond to changes in environmental stimulus while reflex action is a involuntary movement made by an organism (animal) in response to a stimulus.)

Aneutral atom must have the same number of neutrons and protons? no, they must have the same number of protons and electrons

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.