Biology, asked by lakshyan20, 11 months ago

What is respiratory organ for hydra planeria is diffusion​

Answers

Answered by RAMAKRISHNA11
1

Answer:

answer is the diffusion method

Answered by narendrakumar58
1

Answer:

they doesn't have a special structures for respiration

in hydra they let the oxygen from the ostia on their surface. and let the carbondioxide out through osculum here ostia help in gaseous exchange.. by the process of simple diffusion

in dugesia the whole body is responsible for gaseous exchange since they are flat and that too happens through simple diffusion

Explanation:

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