Select the option that can be used as a one-word substitute for the given group of words.

A four-footed animal

Quadruped

The correct option is quadruped. It means "an animal with four feet." The other options are not correct substitutes.

• Mammal refers to a warm-blooded vertebrate animal that gives birth to live young and feeds them milk from its own body.
• Reptile refers to a cold-blooded vertebrate animal that has scales and lays eggs.
• Biped refers to an animal that walks or stands on two feet.