Wolves are very protective of there territory, and are very wary of whatever steps into it. They usually will not attack humans unless they feel threatened, provoked, or starving.
They are very capable of doing so, and it has happened in the past. However, it is not common. Wolves generally try to avoid people.
no
yes a pitbull could kill a wolf but it would have to be weak so it would be easier to kill it
yes a grey wolf would be able to kill a kitten
a human because, they kill them with a gun or traps
Easily.
there are two species of wolves. the red wolf and the gray wolf. the mexican gray wolf is a type of gray wolf. so they are actually the same but the mexican gray wolf just specifies the region its in whereas the gray wolf is more of an umbrella term. :)
it feeds it and will kill anything that threatens it
If by that you mean can a wolf kill an adult cougar, not unless the cougar is sick, or very aged. Cougars can kill wolves in conflicts.
Wolves have been known to kill moose and bison, but usually when they are old or sick
A pack of grey wolves get their energy from the prey they hunt down and kill.
No, the Arabian wolf is a subspecies of the gray wolf.
A single wolf would not be able to kill and eat an adult, healthy moose. But a pack would.