Animal Kingdom Question 34
34. The simplest type of canal system in Porifera is
(a) ascon type
(b) leucon type
(c) sycon type
(d) radial type
Show Answer
Answer : a
Hints & Solutions
(a) Presence of canal system - a network of channels for water transport - is an important feature in sponges. Ascon type of canal is simplest in Porifera which brings in food, oxygen and carries away $CO_2$ and nitrogenous waste.
