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If they have gills the animal will take in oygen from the water it breathes...or if it is a mammal that lives underwater it will normally have a blow hole or such which it will rise & breathe in air.

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13y ago

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Why is oxygen important to bodies of water?

Aquatic organisms need oxygen to survive


Do aquatic life need oxygen?

Yes, fish and other aquatic life need to extract oxygen out of the water using gills.


What do aquatic organisms need to breathe?

gills


Do organisms in an aquatic environment need different things than organisms in land environments?

Yes, organisms in aquatic environments typically need adaptations for buoyancy, oxygen acquisition through gills or other specialized structures, and ways to conserve body heat as water conducts heat away faster than air. Land organisms, on the other hand, need adaptations for walking or flying, regulating water loss, and managing body temperature in varying atmospheric conditions.


How does the relationship between water temperature and dissolved oxygen levels impact aquatic ecosystems?

The relationship between water temperature and dissolved oxygen levels in aquatic ecosystems is crucial. Warmer water holds less oxygen, which can lead to lower oxygen levels in the water. This can be harmful to aquatic organisms, as they need oxygen to survive. Low oxygen levels can result in stress, illness, and even death for fish and other aquatic life. Therefore, maintaining a balance between water temperature and dissolved oxygen levels is essential for the health of aquatic ecosystems.


What equipment do you need to be a marine biologist?

water,aquatic organisms,aquatic plants and saltwater


Do gills take in oxygen?

Yes, gills take in oxygen from water. As water flows over the gill membranes, oxygen diffuses from the water into the bloodstream of aquatic animals, while carbon dioxide is expelled from the blood into the water. This process allows fish and other aquatic organisms to efficiently extract the oxygen they need for respiration.


Why do you need dissolved gases in water?

Dissolved gases in water are important for aquatic organisms to respire and survive. Oxygen, for instance, is necessary for the survival of fish and other aquatic organisms, while carbon dioxide is essential for photosynthesis in aquatic plants. Additionally, gases like nitrogen help support the ecosystem by providing essential nutrients for growth.


Why is oxygen bad in water?

Excess oxygen in water can be harmful because it can lead to faster oxidation and degradation of organic matter. This can affect aquatic organisms by decreasing the availability of oxygen they need to survive, leading to negative impacts on the ecosystem.


How do snakes get their oxygen?

A snake breathes through its nose, since they have lungs. Even fully aquatic species need to come up for air.


What is the key ingredient that all organisms need?

All organisms need oxygen to live.


How do organisms at deep sea vents survive without oxygen?

These organisms do not need oxygen. They are called anaerobes.