3 bones
Seven, as for any mammal.
Whale is a mammal. Human being is also a mammal. So whale should have about 206 bones in it's skeleton. Only number of tail bones should vary in number.
No. They are not a mammal.
No they are not a mammal.
Worm
Cause they are a mammal
No, a fish is not a mammal. Only a mammal has a backbone.
Mammal bones are less dense and thicker, because they don't have to deal with the stresses of flying. The bones of a bird are thinner, and have a dense structure of internal struts that make the bone exceptionally stiff and strong.
Yes every mammal has back bones.
Bones and Teeth
that is an easy answer, i have many reptiles. Reptiles have many bones they same as any normal animal, in fact, they have the same bones as a small mammal. although, reptiles such as lizards, have millions of small bones and some of them are complicated on how they work! i hope my answer helped! :)
bones and teeth