Question

Tissue level of organisation is not found in

• A. Ctenophora
• B. Coelenterata
• C. Porifera
• D. both $1$ and $3$

Answer 1

Answer: (C)

Porifera

Answer 2

In Phylum Porifera (sponges), cellular level of organisation is present. i.e., the body consists of many cells which may be similar or show minor divison of labour.