Question

why do you think oxygen dissolved in water is important for the survival of aquatic animals and plants?

Answer 1

Just as we need air to breathe, aquatic organisms need dissolved oxygen to respire. It is necessary for the survival of fish, invertebrates, bacteria, and underwater plants. DO is also needed for the decomposition of organic matter.

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Answer 2

because every living thing need oxygen to live so the oxygen dissolved in water is important for the survival of aquatic animals and plants which are present in the underwater...
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