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Which of the following is common to both sponges and coelenterate?

Option: 1

Mode of respiration


Option: 2

Mode of defense


Option: 3

Mode of digestion


Option: 4

All of the above


Answers (1)

best_answer

 

 

Physiology of Cnidaria -

Respiration in Cnidaria:

  • The respiratory system is absent.
  • The exchange of gases is facilitated through simple diffusion between cells and water.

 

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Respiratory system is absent in both porifera and coelenterata. Respiration occurs
through diffusion.

Posted by

Shailly goel

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