Concept:The animal described has reptilian features: scales, teeth, nares, and a backbone.
Explanation:Scales on the skin are characteristic of reptiles, not birds or mammals.
Teeth are present in reptiles, while birds lack teeth.
Nares (nostrils) and a backbone are general vertebrate features.
Amphibians like toads have smooth moist skin, not scales.
Birds have feathers, and rats have hair, not scales.
Therefore, the animal is a lizard, which is a reptile.
Answer:C. lizard