Can you help me out the Classification key for animals with backbones? Can I have a social media so we can figure this out

Answer:
Fish
1)Cat fish
2)Cod fish
3) Gold fish
4)Salmon
5)Shark
Amphibians
1)Frog
2) Toad
2) Salamander
3)Newt
4)Tiger Salamander
5) Tomato frog
Reptiles
1) Crocodile
2)Snake
3)King cobra
4) Turtles
5) Tortoises
Mammals
1) Human being
2) Cow
3) Dog
4) Cat
5) Buffalo
Explanation:
I hope this will help you