It all depends the situation. If a meerkat guard, or sentry, is watching for predators, then the sense it would most rely on would be sight. But Meerkats have to use their sense of smell to identify other meerkats. Sight and Scent are probably the senses meerkats rely on the most.
Most dogs rely on the sense of smell and sight
The sense zebras rely on most is catching prey they need food to live
their sense of smell. They can smell fresh blood from miles around.
Bugs Bunny often relies upon his sense of smell which leads him to carrots .
Vision, reflecting high importance we rely on our sight.
It depends on the breed of dog, most hounds and most working breeds rely mainly on there sense of smell; but some breeds like Greyounds, Salukis, Afghan hounds and all of the Sighthound breeds rely mainly on there vision.
No, and I can't think of why you would want to. Dogs rely heavily on their sense of smell - it is their primary sense, just as vision is the primary sense for most humans.
the meerkat
The sense that many wild animals rely on: instincts.
No, a meerkat is not a type of weasel. A meerkat is in the mongoose family actually.
Most likely the suricata you're talking about is just a meerkat.
Meerkat society is based on the Matriarchal type. The reigning ruler is the most dominant female, she is generally the only one allowed to mate.