232k views
12 votes
Which of these do all vertebrates have?

A
a backbone

B
scales

C
lungs

D
hair

2 Answers

7 votes

Answer:

A

Step-by-step explanation:

All Vertebrates have A Backbone

User Dma
by
4.5k points
9 votes

Answer:

A. A backbone

Step-by-step explanation:

User Marbu
by
4.5k points