The fins of sea mammals are actually hands and have bones, tendons, joints, etc, just like your hand except not externally expressed. The tail flukes however are only cartailage.
Dolphins and whales have dorsal fins, blubber, and a high heart rate that keeps them warm.
Dolphins have fins instead of fingers. However, inside the fins they have finger bones, which are similar to the ones found in human hands.
yes, a dolphin does have a back bone, just like humans the dolphin has bones in their fins like finger bones and in their tail fins they have bones like feet bones. They are mammals just as we are and we both are called vertebrates (having backbones).
no fins do not have bones
dolphin have fins to steer in the ocean
The dolphins are toy babies with appendages
how many fins do dolphins have? how many fins do dolphins have?
Fins. no it has flippers because fish have fins and a whales are not fish they're mammals
dorsel fin
no norwegians
Dolphins move with the help of there fins and the move to get there food.
They are in the dolphins eyes, mouth, nose, ears, and its fins.