about aquatic organism...

Discussion of the distribution and abundance of living organisms and how these properties are affected by interactions between the organisms and their environment

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kengkay
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about aquatic organism...

Post by kengkay » Thu Oct 09, 2008 10:47 am

hi to everyone...can you please help me about the significance to aquatic organisms?
What is the significance to aquatic organisms that the maximal density of water is 4 degrees Celcius? Would aquatic organisms be as abundant if the maximal density was 0 degrees Celcius?
thank you very much.....

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alextemplet
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Post by alextemplet » Thu Oct 09, 2008 3:43 pm

What do you mean "maximal density of water is 4 degrees Celsius"? Celsius is a unit of temperature, not density. That's like saying a person's weight is 1.85 meters.
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canalon
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Post by canalon » Thu Oct 09, 2008 6:24 pm

I think you should read "the maximum density of water is AT 4ºC"
But I have no idea about the impact of water density on aquatic organisms density. Sorry.
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alextemplet
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Post by alextemplet » Thu Oct 09, 2008 6:32 pm

Oh yeah, the chemistry part of my brain is still on sabbatical after yesterday's midterm. Seems to me that the density would favor the growth of organisms better adapted to living in high water pressure.
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mcar
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Post by mcar » Fri Oct 17, 2008 10:33 am

As what I remember, scientists had discovered that changes in the water temperature affects the type of marine life that inhabits the area. In some area in the Arctic ocean, marine biologists noted the presence of some species which naturally inhabit warmer waters.
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