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What happens to living beings after death in the water?

What happens to the Living beings who live in the ocean and die there, or other beings that die in the ocean?

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Living Beings who die near water
After life of living beings who die near sea shore or in water. Pixabay
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– By Dr. Bharti Raizada

June 17, 2017: A couple of days back, I was walking on the beach, and a question came to my mind: What happens to living beings that die in the ocean? Living beings who live in the ocean and die there, or other beings that die in the ocean (for example if a plane crashes in an ocean, or a ship sinks or a wave takes someone with it, etc). I did some research and found this:

If a living being dies on land and is not burnt or buried, then either scavenger eat the body, or it is decomposed, or it becomes a fossil. Similarly, when a living body dies in the ocean, it is either scavenged, decomposed or becomes a fossil.

At the ocean floor, dead bodies become food for deep-sea animals. First, there is a stage of mobile scavenging in which scavengers eat the body. Then there is an enrichment opportunist stage, in which small organisms live inside remains of the body, and finally, there is the sulpho philic stage, in which hydrogen sulfide emitting bacteria help feed chemotrophic organisms.

If the dead body is quickly covered by sediment and left undisturbed, it becomes a fossil. How fast a body becomes decomposed or scavenged depends on various factors: oxygen level, temperature, depth, light, speed of sinking, etc.

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Some interesting words related to this topic are:

Detritivore is an organism that feeds on dead or decomposing organic matter. Taphonomy is the study of the processes that affect animal and plant remains as they become fossilized. A taphonomist is the person who does this study.

Chemotropism is the orientation of cells or organisms in relation to chemical stimuli.

This is all I have found. Please share your opinion on what you think, or if you have any additional relevant information.


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Scientists discover UV light to kill flu virus

By contrast, the study found that continuous low doses of far-UVC light, which is around 207 to 222 nanometers in wavelength, is capable to inactivate more than 95 percent of aerosolized H1N1 flu virus in a lab setting

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earlier studies have proved that far-UVC light is not harmful to the human body. Wikimedia Commons
earlier studies have proved that far-UVC light is not harmful to the human body. Wikimedia Commons

Scientists have discovered a special type of ultraviolet (UV) light that can kill airborne flu viruses without harming human tissues, according to a new study.

Broad-spectrum ultraviolet C (UVC) light, which has a wavelength of between 200 to 400 nanometers, has been routinely used to kill bacteria and viruses by destroying the molecular bonds that hold their DNA together, reports Xinhua news agency.

“Unfortunately, conventional germicidal UV light is also a human health hazard and can lead to skin cancer and cataracts, which prevents its use in public spaces,” said David J.

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Brenner, lead author and director of the Centre for Radiological Research at Columbia University Irving Medical Centre, in a statement on Saturday.

By contrast, the study found that continuous low doses of far-UVC light, which is around 207 to 222 nanometers in wavelength, is capable to inactivate more than 95 percent of aerosolized H1N1 flu virus in a lab setting.

Moreover, earlier studies have proved that far-UVC light is not harmful to the human body.

If these results are confirmed in other scenarios, the use of overhead far-UVC light in hospitals, doctors’ offices, schools, airports, aeroplanes and other public spaces could provide a powerful check on seasonal flu epidemics and pandemics, said the study.

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Flu activity continues to increase across the United States, making the season the most recent “high” severity season, the US Centres for Disease Control and Prevention said in a report on Friday.

Sixty-three children died from flu this winter, it added. (IANS)

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