Question

circle the odd one and give reason fish , birds , reptiles , mammals, insects ​

Answer 1

$\huge \text{Hey mate}$

✨Mammals is out from all of them because all of them give eggs during the birth but only mammals give young ones during their birth.✨

hope it will help you.

Answer 2

mammals is odd one because they give a young birth were as they all can give egg.......