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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

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

Grade:12th pass

2 Answers

Arun
25750 Points
4 years ago
 
Many sponges may be bigger than fishes, yet they have no respiratory organs because they
have highly porous body. Hence option d is correct.
 
Mahima Kanawat
1010 Points
4 years ago
Dear student 
Sponges have high porous body through which water enters and oxygen is exchanged through simple diffusion. 
WITH REGARDS 
MAHIMA 
ASKIITIANS 

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