They would die because the lake would freeze over completely.
Usually, there are more small organisms than large ones.
lake
Please be more specific.
Lake Champlain
Filled with air
Yes, more than at the surfase.
bacteria and decomposers
Why would the removal of the herring and the whitefish affect other organisms indirectly?
Usually, there are more small organisms than large ones.
The depth of water varies to ensure that life is supported for organisms living there.
the lake would explode and you all would die.
it would float
No, there might be organisms living in it, but it itself is not a living thing. The reason is because floors and sea floors cannot live nor can many other things.
lake
lake
In all probablilty there are not. I would assume that the base of an artificial pond would in all probablilty contain far less organisms than that of a well established lake.
it would be very dry