Yes, you can turn Ocelots into Cats, by giving them raw fish.
Kayotes, wolves ,elk,bison,ducks
In an unmodded version of Minecraft you can't feed any animals other than wolves. If you trapped a chicken, it will just de-spawn after a certain period of time.
Other wolves
Wolves are not the smartest animals. Apes and gorillas are the smartest
wolves and other animals
Wolves are pack animals and a top predator, meaning that other animals are either prey or competition for prey - even other wolves outside their own pack.
No but two wolves can eat and pretty much kill each other
There isn't one. Wolves are already in Minecraft. There are other tools and mods that can help you find and tame one though.
Lions,Wolves and sometimes dingos
Wolves can die by being hunt down by other animals or by unusual starvation.
Wolves are predators
Wolves are in class Mammalia. You are a mammal and many of the animals you see every day are mammals. Cats, dogs, cows and other human beings.