1. They have mammary gland to feed their young.
2. They have moist skin and can live on land and water
3. They have dry scaly skin
4. They have beak and wings used in flying
5. They have gills and fins and they live in water
A. birds
B. amphibians
C. mammals
D. fish
E. reptiles
Answers & Comments
Answer:
1.C
2.B
3.E
4.A
5.D
hope it helps. all of that are correct