Can someone help me please

Which detail from the text most strongly supports the inference that releasing a pet into the wild can change the balance of nature within an enviorment

Cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Experiments were conducted to try to teach chimpanzees sign language