thank fish for your ears.

Gilly said:
Waaaaaaitaminute.

Earlier the OP used The Abyss to state how deep he could go with liquid breathing.

In Waterworld there's very little land, and even fewer gills ;)
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i used the link with the Abyss in it to confirm how the lungs can breathe certain liquids.Where as in the sea we would need gills or some other improvement.


who ends up being the winner or victor in waterworld= gillman :p
 
badbob said:
That's because they spend time on land. Perhaps if a species went back into the water, and never came back onto land over millions of years the lungs would be replaced with gills? I think Sea Otters spend most of there life in the open sea.
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But they have lungs, and drown if they fill with water. Mammals will not be growing gills any time in the future. The paths evolution took - birds, reptiles, mammals and fish - are not going to merge.
 
We might but it will only come with GM not through evolution.

More useful to our survival would be to 'breath' in space, well planets with different atmosphere to ours.
 
I think what the OP was trying to refer to was the fact that our ossicles (the tiny bones in our ears) are evolved from primitive equivalents found in certain fish. Other than that there isn't much sense in here...
 
Could salmon explain what's going on here as I wouldn't bream of pretending to understand.

(Have a cod weekend)
 
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