Answer: A- the antlers and horns are structural adaptations. The fighting is a behavioral adaptation.
Antlers and horns are physical adaptations that some mammals have acquired over time. However, fighting is not a physical feature but a behavioral adaptation used to beat other males during mating season.
most of the time a school shooting will be done by a kis that has been bullied and picked on a lot (aka the quiet kid ) if we could stop bullying we could decreese the number of school shootins by a lot