Yes.
Hard.
no
Dolphins have about 300 bones.
Yes :)
Yes, they do. Dolphins have a complete skeletal system.
no they have a normal one! no they have a normal one!
soft you can bend and hard you can not
Seal's bones are hard.
Dolphins are vertebrate's. they have back bones the same as humans whales and all other mammal's.
As dolphins, they are automatically mammals and thus vertebrates. If it has bones, it´s a vertebrate.
You can tell by their bones.
A dolphin can have upto 252 teeth. Its back bone has about 52 bones. The skull has 34 bones. The ribs have 30 bones. They have 1 sternum. 62 bones in their limbs. That is a total of... 179 bones. (not counting the teeth, youll have to add that on.)