Diversity in Living Organisms


   
 
Phylum Echinodermata
Features of Echinodermata
 
 
Marine in habitat
 
Body is radially symmetrical, star shaped, spherical or elongate, Exoskeleton is spiny
 
Head is absent and five radially arranged arms present
 
Locomotion is with the help of tube feet
 
Sexes are separate
 
Example: Asterias (star fish), Echinus (sea urchin), Holothuria (sea cucumber), Antedon (feather star)
 
  
     
   
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