Fact 1: Vertebrates are all chordates that have a backbone.

Fact 2: Mammals are like other chordates in that they have backbones.

Given the two facts above, answer the question "What are like other vertebrates that have a backbone?" with the following options: 
- animals
 - sharks
 - vibrations
 - sound
 - mammals
 - alpacas
 - bees
 - cows


 

     mammals    