Question

Difficult between canal system and water vascular system

Answer 1

Explanation:

Canal system: The body of sponges is organised in such a manner as to form a complex pore and canals.This system is called as canal system.

Functions: Food gathering, removal of waste,respiratory exchange

Water vascular system: Different types of canal system form water vascular system. This system is called as water vascular system because this system acts like the circulatory system of body maintaining the continuous flow of water in and out of the body.

Functions:Locomotion, respiration,capture and transfer of food.