They don't. Amphibians have endoskeltons.
Endoskeleton. (inside bones) Birds, reptiles, fish, amphibians and mammals have endoskeletons although there is the odd exception to the rule which has both. However no mammals have true exoskeletons.
An exoskeleton is a hard, outer covering that acts as armor. No amphibians have any kind of hard exterior. Their skin is soft and most, and for the frog to breathe, the skin must be moist and exposed to air.
No, they are very different, here area coupleexamples:-crustaceans have exoskeletons, most amphibians have normal skeletons-crustaceans have no skin,amphibians have delicate skin (they can breathe through their skin too)-some amphibians use lungs to breathe andcrustaceans don't.( for " normal skeletons " read endoskeletons )
no, they are mammals no mammals have exoskeletons
No, the don't. For example, crabs have exoskeletons.
Yes, coral does have exoskeletons made of calcium carbonate. These exoskeletons provide structure and support for the coral polyps, which are tiny organisms that secrete the calcium carbonate to build the coral reefs. Over time, these exoskeletons accumulate and form the large coral reef structures we see in the ocean.
Yes, all insects have exoskeletons.
Insects have exoskeletons for both protection and structural support.
No.
Yes, they do have exoskeletons. Exoskeletons are hard outer shells that protect and support the body.
Crabs and shrimp have exoskeletons. Slugs, Starfish and Jellyfish do not.
Yes. Because bee is an insect. Insects have exoskeletons.