Answer:
frog and fish
Step-by-step explanation:
since they both are:
-vertebrae
-an animal
-has no hair nor fur
-lays eggs without shells
-live in water (somewhat)
they also are not/don't:
-land living (somewhat)
-lay eggs with shells
-have scally skin
-have feathers
-have hair or fur
-lays eggs
they (out of all the animals) have the most in common
hope this helps:)