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stephaniebrais:
in hsc biology, what are behavioural adaptation of a marine fish in regulating salt concentration?

Natasha.97:

--- Quote from: stephaniebrais on August 08, 2017, 11:22:25 am ---in hsc biology, what are behavioural adaptation of a marine fish in regulating salt concentration?

--- End quote ---

Hi!
A marine (saltwater) fish is in a area of low H2O concentration, whereas it contains a relatively high H2O concentration. This results in diffusion of water out of tissues. The fish must conserve water, and to do this, it expels urine which is low in volume, and high in concentration. Here is a picture to demonstrate:



Hope this helps :)

pikachu975:

--- Quote from: 13cheungjn1 on August 08, 2017, 11:44:42 am ---Hi!
A marine (saltwater) fish is in a area of low H2O concentration, whereas it contains a relatively high H2O concentration. This results in diffusion of water out of tissues. The fish must conserve water, and to do this, it expels urine which is low in volume, and high in concentration. Here is a picture to demonstrate:

(Image removed from quote.)

Hope this helps :)

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Would that count as behavioural? Thinking it might classify as physiological or something

I guess a behavioural adaptation could be moving to a different area not sure

blasonduo:

--- Quote from: pikachu975 on August 08, 2017, 02:56:22 pm ---Would that count as behavioural? Thinking it might classify as physiological or something

I guess a behavioural adaptation could be moving to a different area not sure

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That's exactly what happens! There's not much more a fish can physically do :P

LetsBeCats:
I don't believe we have to do much about the fish with behavioural as it's mainly their internal functions that do most the work :)

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