which of the following is an ectothermic vertebrate

Answer 1

I don't see any of the "following". If you are trying to cut and paste you can't do that on this site.

Answer 2

Yeah, you have to actually write everything down, but do you still need help?

Answer 3

Which of the following is an ectothermic vertabrate?
A. butterfly
B. Lizard
C. Eagle
D. Dog