Question

Animals with a tube feet, water vascular system and ossicles belong to___________

• A. Mollusca
• B. Chordata
• C. Echinodermata
• D. Osteichthyes

Answer 1

Answer: (C)

Echinodermata characteristics:

• Tube feet- Possesses a water vascular system, which hydraulically operates the tube feet or feeding tentacles.
  
• Water vascular system
  
• Ossicles- Normally possesses a subepidermal system of calcareous plates
  
• The body cavity is a true coelom.
  

Therefore, the correct answer is option C.