Question

microscopic animals use their ----to breathe​

Answer 1

Answer:

Explanation:

Microscopic organisms breathe by the process of diffusion as they do not have any respiratory organ. ... If an animal is small enough, it does not need any specialized structures for breathing — oxygen enters from outside and CO2 dissipate to outside by osmosis.

Answer 2

Answer: Microscopic organisms breathe by the process of diffusion as they do not have any respiratory organ. So, they breathe by their general body surface.

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