Which among the following is incorrect about water vascular system in Echinoderms?
A. Water driven tube feet system helps in locomotion as well as in excretion
B. Water vascular system has a ring canal which fills initially followed by that of radial canals
C. Echinoderms excrete waste by osmosis in the tube feet
D. Exchange of gases takes place due to water vascular system
Answer:C
Which among the following is incorrect about water vascular system in Echinoderms?
A. Water driven tube feet system helps in locomotion as well as in excretion B. Water vascular system has a ring canal which fills initially followed by that of radial canals C. Echinoderms excrete waste by osmosis in the tube feet D. Exchange of gases takes place due to water vascular system