Question

which organism can respire only by diffusion process?​

Answer 1

Answer:

Flatworms can respire only by diffusion process.

Explanation:

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Answer 2

Answer:

flatworms

In simple organisms, such as cnidarians and flatworms, every cell in the body is close to the external environment. Their cells are kept moist so that gases diffuse quickly via direct diffusion. Flatworms are small, literally flat worms, which 'breathe' through diffusion across the outer membrane.

Explanation:

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