If they didn't have bones, they would be like water.
No, animals have only two humeri (large bones in the forelimbs).
It depends on which animal you are talking about. Some animals without bones are larger than animals with bones. Compare the Giant Pacific Octopus with a mouse.
Birds have hollow bones and very large breasts
to walk
Exoskeletons
brain and heart
If animals did not have bones, they would be shapeless blobs that could not change location. Therefore, not being able to get food and thus dying.
Teeth because all animals need to chew their food.
Tigers are large, solid animals. Their structure is similar to other large wild cats. Their skeletons are held together by thick bones and their internal organs are protected by these bones.
They do not eat bones specifically, however, they have no problem digesting the bones of their prey.
Some animals have no need of them, jellyfish for instance. Others have an exoskeleton, insects are an example.
Invertebrate animals are animals that have NO bones, such as crabs. Vertebrate animals are animals that HAVE bones, such as dogs.