In porifera, skeleton foming cells are

The skeleton manufacturing cells in sponges are

Which of the following cells of Porifera act as totipotent cells and responsible for high power of regeneration?

An elaborate network of filamentous protein tubular structures forming skeleton of cell in cytoplasm are

In porifera, the simplest canal system is

In porifera, the simplest canal system is

Canal system in porifera is not concerned with

Which of the following cells are found in porifera only?

Animals belonging to Porifera have special types of cells called ……………...

Animals belonging to Porifera have special types of cells called________.