Question

In which group of Animalia, canal system and hard outside skeleton are present​

Answer 1

Answer:

The answer of the above question is sponges

Answer 2

canal system is present in the Phylum porifera of kingdom animalia.

Explanation:

• Phylum porifera is the most primitive Phylum of kingdom animalia. It includes the sponge is.

• They have a canal system for the excretion and the uptake of water. they are a small spots inside the body through which water diffusers inside the body. After this the harmful substances gets mixed with the water and it finally moves out of the body through the canal system.

To know more about Phylum porifera,

11.In which phylum first excretory organs are formed?​ - Brainly.in

https://brainly.in/question/16760461