Any of various marine invertebrates (phylum Echinodermata) characterized by a hard spiny covering, a calcite skeleton, and five-rayed radial body symmetry. ... Most species have numerous tube feet that are modified for locomotion, respiration, tunneling, sensory perception, feeding, ... Sunflower starfish (Pycnopodia helianthoides).
Skin
scales but soft ones like something a seagul eats
A starfish has radial symmetry
It depends on the classification of vertebrate.Mammals have a body covering of fur, skin or hair.Birds have a body covering of feathers.Reptiles have a body covering of scaly skin.Fish have a body covering of scales.Amphibians have a body covering of moist skin.
Starfish or sea stars are echinoderms belonging to the class Asteroidea. The names "starfish" and "sea star" essentially refer to members of the Class Asteroidea. However, common usage frequently finds "starfish" and "sea star" also applied to ophiuroids which are correctly referred to as "brittle stars" or "basket stars".
a starfish is missing a few body parts like fins and tails
starfish have bumps and spines on their body
The body cavity in a starfish contains the circulatory system and the haemal system. The body cavity also helps starfish by distributing oxygen that has been distributed throughout the body, through the body.
The body covering is molt I don't know what it is
Wallabies have a body covering of fur.
The body covering is fur.
A lion has a body covering of fur (hair).