asked 159k views
5 votes
Which is NOT a characteristic of all vertebrates?

a backbone
an exoskeleton
paired appendages
a well-developed brain protected by a skull

asked
User Cheeku
by
7.4k points

2 Answers

5 votes
The answer is A.Backbone
answered
User Timss
by
7.7k points
3 votes
The answer would be A. A backbone
answered
User Habeeb
by
8.3k points
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