All the above statements are correct.There are no false statements.
Aves are warm-blooded animals and have a four-chambered heart. They lay eggs. There is an outside covering of feathers, and two forelimbs are modified for flight. They breathe through lungs. Fishes, amphibians, and reptiles are oviparous.Most of the mammals are viviparous, except the platypus and the echidnas, they are egg-laying mammals.Hence all the statements given above are correct.