They did and still do have bones.
Yes, Amphibians are Vertebrates which are animals with backbones.
Yes, all amphibians have bones.
yes
because their limbs and bones are stronger than those of amphibians
Endoskeleton - they are vertebrates and their bones are inside!
No. Amphibians have bones, including a backbone, as they are vertebrates.
because it has bones
Fish, reptiles, amphibians, birds, and mammals are all vertebrates. They all have a backbone and internal bones.
I don't believe that amphibians such as frogs and toads have a skeleton at all - just connective tissue - no bones! _________________________________________________________________________________________ um i don't believe that is correct. amphibians are vertebrates meaning they hav a backbone
Birds have hollow bones to help them fly. Solid bones would add to much weight and make it impossible to fly.
I think as they are tadpole they are slowly forming a spine
because the frog is easy to handle among the other amphibians or reptiles and they can easily be observed. students can easily observe and diffferentiate the muscles, bones, etc. of the human anatomy from the animal anatomy...