In the food capturing by choanocytes, beating of flagellum creates ________ inside collar.
A. Negative pressure.
B. Positive pressure
C. Has no effect produce inside collar
D. May be positive may be negative
Answer:A
In the food capturing by choanocytes, beating of flagellum creates ________ inside collar.
A. Negative pressure. B. Positive pressure C. Has no effect produce inside collar D. May be positive may be negative