Question

The peculiar feature of echinoderm is: *

1 point

Closed vascular system.

Blood vascular system.

Water vascular system.

Digestive system​

Answer 1

Answer: Water vascular System is the answer.

Answer 2

Correct answer is Water vascular system

• Echinoderms also known as echinodermata are marine animals.
• They are star shaped with elongated or spherical body and common examples are star fish, sea cucumber etc.
• They are triploblastic and have organ level of organ level of organisation in their body.
• Water vascular system performs function of locomotion, respiration and nutrient transportation.