Dissolved oxygen is a vital nutrient for aquatic species. a. true b. false

Greetings!

The answer would be A. True.

Dissolved Oxygen is vital for most under water species. There has to be some flow of Oxygen throughout the water for the fish.

That is why most fish that are kept in tanks need filters. The purpose of the filter is to get that oxygen flow throughout the water, and of course keep it clean. Some fish, however will come to the top of the tank to breathe (Beta's for instance). But most fish will need that Oxygen throughout the water.

Hope this helps!

the answer is true

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

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