Some do, some don't. Humans, cats, birds, fish and a thousand other species have skeletons within their bodies. Beetles, flies, and insects have skeletons outside their bodies (exoskeletons). But animals like worms and octopus and amoeba don't have any skeletons at all.
No. Fish ARE Chordates, but they include BOTH Cartilaginous AND Bony flavors. (Sharks, Rays, Skates, Chimaeras, etc. are ALL FISH and ALL have cartilaginous skeletons).
no. jelly fish does not have any bones
yes they do.
yes
Diatomaceous earth is made up of the skeletons of small animals.
Invertebrates are animals without backbones, such as worms, shellfish, and in almost all vertebrates, bone gives the skeleton its strength.
Hydrostatic, Exoskeletons, and Endoskeletons
coral reef
exoskeleton usally only found in insects
As a rule, all mammals have skeletons on the inside. All insects have exoskeletons ( skeletons on the outside). exoskeletons (
Their skeletons tend to be on the outside
Diatomaceous earth is made up of the skeletons of small animals.
2 easy rlly. the answer is .........
invertebrates
Animals have skeletons so they don't wobble about like jelly! Just like humans
All insects and arachnids (spiders) have exoskeletons.
They support and protect animals as well as provide rigidity for movement.
Life on Earth is carbon based, so all animals with skeletons and shells use carbon. A more 'common' element used in skeletons and shells is calcium.
Sharks and Stingrays both do not contain any bones in their bodies. All invertebrates have no "bones". Vertebrates have "bones". Read a book on biology. Sharks, dogfish and rays are all vertebrates but have skeletons composed of cartilage not bone. ---- Wtf... Sharks have sharp, pointy teeth. What are teeth made out of? Bones! Sharks have bones.
The Skeletons of Millions of Coralsmall skeletons of sea animals called polyps.
Chondrochthyes, i.e., the cartilagenous fishes, like sharks, posses cartilagious skeletons.