They are born, because they are mammals. Also because they are so big, the mothers usually have to carry them around for 24 months.
They are mammals. Their young are born live from the womb, not hatched from eggs.
Narwhals '''give birth to live young'''. They '''don't lay eggs'''. This is because they are '''mammals'''. This is the same with '''whales, dolphins and porpoises.'''
The Robin is hatched from a baby blue egg.
Whales have live birth, maybe every 2-3years.
young
They don't ! Once the young reptiles are born (or hatched) - they are completely independent from the 'parent' reptile.
no
Sugar Gliders are mammals so their young are born alive.
Iguanodon would have hatched from eggs. This is how all dinosaurs were born. It is unknown whether Iguanodon raised their young or their young had to fend for themselves.
Dinosaurs hatched from eggs.
they are hatched
Hatched