Q. Which of the following is a characteristic feature of sponges ? (Solved)
1. Tissue level of organization
2. Presence of ostia
3. Extra ccllular digetion
4. Indirect deveplopment
5. Bufo
- b. Presence of ostia
1. Tissue level of organization
2. Presence of ostia
3. Extra ccllular digetion
4. Indirect deveplopment
5. Bufo