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Grade: 12th pass
        
Many sponges may be bigger than fishes, yet they have no respiratory organs because they
A. Do not need respiratory organs
B. Are sedentary
C. Respire anaerobically
D. Have highly porous body
6 months ago

Answers : (2)

Arun
23324 Points
							 
Many sponges may be bigger than fishes, yet they have no respiratory organs because they
have highly porous body. Hence option d is correct.
 
6 months ago
Mahima Kanawat
1010 Points
							
Dear student 
Sponges have high porous body through which water enters and oxygen is exchanged through simple diffusion. 
WITH REGARDS 
MAHIMA 
ASKIITIANS 
6 months ago
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