Any invertebrate. They have no bones at all.
Because it is of an animal but not an animal, and only animals have bones.
Our bodies grow and change as they need to (at least to an extent). If your body is lifting more weight and putting more stress on the bones, it will slowly strengthen the bones to handle the new loads. Its the same reason lifting builds muscle; we need it so our bodies provide.
flatworms
The shrew, I know, is the smallest mammal in the world (that is alive today at least) and I'm pretty sure it's got a spine so, The Shrew. Final Answer.
What is the least favorite animal??
at least 300 hundred bones
tibula
Worm
We can protect our body by eating healthy food not eating junk foods not doing something bad at your body that will destroy your body...Eat drink what build bones then exercise or be out side for half an hour the least.
A Goffin cockatoo has at least 70 bones in their body including their wings.
Animal cruelty occurs least in the absence of people .
no they are not at least not that i found