Is reintroducing a native predator species harmful to the local ecosystem? Why?

Answer 1

Probably not.

Answer 2

Thank you that's what I wrote :)

Answer 3

Reintroducing a native predator is not usually harmful to an ecosystem because native predators like wolves or killer whales are considered to be keystone species and are necessary for an ecosystem to remain stable and continue to cycle nutrients.

Is what I wrote