Yes they do
back bone of a whale
neither, they have no back bone and certainly no feathers
Ahab's artificial leg was made of whale bone. It was a whale ivory prosthesis that he had specially crafted for him after losing his leg in a whaling accident.
Yes. Whales are in Class Placenta, Subphylum Vertebrata, Phylum Chordata.
for plato: having a back bone or column
The whale bone arch is over 1 billion years old
The problem is if the bone carving is made of whale bone as there are international conventions on the transporting of whale products. Permits are needed for the export of whale bone carvings and requirements vary depending on things like the age of the carving and the source of the whale bone. It would be best to consult with the Department of Conservation if you are dealing with whalebone.
yes
Baleen
For the bone of the whale
The snake does have an extensive spine or back bone. this animal is not an invertebrate.
Scrimshaw